Home / 7,151.24-9,869.36-4,320.02

Finding the Fourth Proportional to 7,151.24, 9,869.36 and 4,320.02

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Solution

The fourth proportional to 7,151.24, 9,869.36 and 4,320.02 is: 5,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.24 : 9,869.36 = 4,320.02 : x
  2. Step 2: Convert to fraction form
    7,151.24/9,869.36 = 4,320.02/x
  3. Step 3: Cross multiply
    7,151.24x = 9,869.36 × 4,320.02
  4. Step 4: Simplify right side
    7,151.24x = 42,635,761.64
  5. Step 5: Solve for x
    x = 42,635,761.64/7,151.24
  6. Step 6: Final answer
    x = 5,962.01

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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.