Home / 13,193.04-18,206.38-7,225.08

Finding the Fourth Proportional to 13,193.04, 18,206.38 and 7,225.08

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Solution

The fourth proportional to 13,193.04, 18,206.38 and 7,225.08 is: 9,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.04 : 18,206.38 = 7,225.08 : x
  2. Step 2: Convert to fraction form
    13,193.04/18,206.38 = 7,225.08/x
  3. Step 3: Cross multiply
    13,193.04x = 18,206.38 × 7,225.08
  4. Step 4: Simplify right side
    13,193.04x = 131,542,552.01
  5. Step 5: Solve for x
    x = 131,542,552.01/13,193.04
  6. Step 6: Final answer
    x = 9,970.60

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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.