Home / 13,193.04-18,206.60-7,224.69

Finding the Fourth Proportional to 13,193.04, 18,206.60 and 7,224.69

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Solution

The fourth proportional to 13,193.04, 18,206.60 and 7,224.69 is: 9,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.04 : 18,206.60 = 7,224.69 : x
  2. Step 2: Convert to fraction form
    13,193.04/18,206.60 = 7,224.69/x
  3. Step 3: Cross multiply
    13,193.04x = 18,206.60 × 7,224.69
  4. Step 4: Simplify right side
    13,193.04x = 131,537,004.83
  5. Step 5: Solve for x
    x = 131,537,004.83/13,193.04
  6. Step 6: Final answer
    x = 9,970.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.