Home / 8,700.24-13,057.65-4,807.38

Finding the Fourth Proportional to 8,700.24, 13,057.65 and 4,807.38

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Solution

The fourth proportional to 8,700.24, 13,057.65 and 4,807.38 is: 7,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.24 : 13,057.65 = 4,807.38 : x
  2. Step 2: Convert to fraction form
    8,700.24/13,057.65 = 4,807.38/x
  3. Step 3: Cross multiply
    8,700.24x = 13,057.65 × 4,807.38
  4. Step 4: Simplify right side
    8,700.24x = 62,773,085.46
  5. Step 5: Solve for x
    x = 62,773,085.46/8,700.24
  6. Step 6: Final answer
    x = 7,215.10

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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.