Home / 9,158.50-12,638.77-4,966.75

Finding the Fourth Proportional to 9,158.50, 12,638.77 and 4,966.75

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Solution

The fourth proportional to 9,158.50, 12,638.77 and 4,966.75 is: 6,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.50 : 12,638.77 = 4,966.75 : x
  2. Step 2: Convert to fraction form
    9,158.50/12,638.77 = 4,966.75/x
  3. Step 3: Cross multiply
    9,158.50x = 12,638.77 × 4,966.75
  4. Step 4: Simplify right side
    9,158.50x = 62,773,614.28
  5. Step 5: Solve for x
    x = 62,773,614.28/9,158.50
  6. Step 6: Final answer
    x = 6,854.14

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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.