Home / 7,329.71-10,114.96-3,972.49

Finding the Fourth Proportional to 7,329.71, 10,114.96 and 3,972.49

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Solution

The fourth proportional to 7,329.71, 10,114.96 and 3,972.49 is: 5,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.71 : 10,114.96 = 3,972.49 : x
  2. Step 2: Convert to fraction form
    7,329.71/10,114.96 = 3,972.49/x
  3. Step 3: Cross multiply
    7,329.71x = 10,114.96 × 3,972.49
  4. Step 4: Simplify right side
    7,329.71x = 40,181,549.68
  5. Step 5: Solve for x
    x = 40,181,549.68/7,329.71
  6. Step 6: Final answer
    x = 5,482.01

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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.