Home / 8,700.47-13,048.38-2,459.02

Finding the Fourth Proportional to 8,700.47, 13,048.38 and 2,459.02

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Solution

The fourth proportional to 8,700.47, 13,048.38 and 2,459.02 is: 3,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.47 : 13,048.38 = 2,459.02 : x
  2. Step 2: Convert to fraction form
    8,700.47/13,048.38 = 2,459.02/x
  3. Step 3: Cross multiply
    8,700.47x = 13,048.38 × 2,459.02
  4. Step 4: Simplify right side
    8,700.47x = 32,086,227.39
  5. Step 5: Solve for x
    x = 32,086,227.39/8,700.47
  6. Step 6: Final answer
    x = 3,687.87

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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.