Home / 9,531.49-13,158.11-6,346.68

Finding the Fourth Proportional to 9,531.49, 13,158.11 and 6,346.68

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Solution

The fourth proportional to 9,531.49, 13,158.11 and 6,346.68 is: 8,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.49 : 13,158.11 = 6,346.68 : x
  2. Step 2: Convert to fraction form
    9,531.49/13,158.11 = 6,346.68/x
  3. Step 3: Cross multiply
    9,531.49x = 13,158.11 × 6,346.68
  4. Step 4: Simplify right side
    9,531.49x = 83,510,313.57
  5. Step 5: Solve for x
    x = 83,510,313.57/9,531.49
  6. Step 6: Final answer
    x = 8,761.52

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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.