Home / 10,531.77-15,799.77-4,291.71

Finding the Fourth Proportional to 10,531.77, 15,799.77 and 4,291.71

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Solution

The fourth proportional to 10,531.77, 15,799.77 and 4,291.71 is: 6,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.77 : 15,799.77 = 4,291.71 : x
  2. Step 2: Convert to fraction form
    10,531.77/15,799.77 = 4,291.71/x
  3. Step 3: Cross multiply
    10,531.77x = 15,799.77 × 4,291.71
  4. Step 4: Simplify right side
    10,531.77x = 67,808,030.91
  5. Step 5: Solve for x
    x = 67,808,030.91/10,531.77
  6. Step 6: Final answer
    x = 6,438.43

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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.