Home / 7,387.31-11,064.68-6,106.31

Finding the Fourth Proportional to 7,387.31, 11,064.68 and 6,106.31

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Solution

The fourth proportional to 7,387.31, 11,064.68 and 6,106.31 is: 9,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.31 : 11,064.68 = 6,106.31 : x
  2. Step 2: Convert to fraction form
    7,387.31/11,064.68 = 6,106.31/x
  3. Step 3: Cross multiply
    7,387.31x = 11,064.68 × 6,106.31
  4. Step 4: Simplify right side
    7,387.31x = 67,564,366.13
  5. Step 5: Solve for x
    x = 67,564,366.13/7,387.31
  6. Step 6: Final answer
    x = 9,146.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.