Home / 12,178.04-16,806.14-7,073.19

Finding the Fourth Proportional to 12,178.04, 16,806.14 and 7,073.19

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Solution

The fourth proportional to 12,178.04, 16,806.14 and 7,073.19 is: 9,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.04 : 16,806.14 = 7,073.19 : x
  2. Step 2: Convert to fraction form
    12,178.04/16,806.14 = 7,073.19/x
  3. Step 3: Cross multiply
    12,178.04x = 16,806.14 × 7,073.19
  4. Step 4: Simplify right side
    12,178.04x = 118,872,986.02
  5. Step 5: Solve for x
    x = 118,872,986.02/12,178.04
  6. Step 6: Final answer
    x = 9,761.26

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Half scale
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Double scale
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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.