Home / 9,143.30-12,617.76-4,951.56

Finding the Fourth Proportional to 9,143.30, 12,617.76 and 4,951.56

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Solution

The fourth proportional to 9,143.30, 12,617.76 and 4,951.56 is: 6,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.30 : 12,617.76 = 4,951.56 : x
  2. Step 2: Convert to fraction form
    9,143.30/12,617.76 = 4,951.56/x
  3. Step 3: Cross multiply
    9,143.30x = 12,617.76 × 4,951.56
  4. Step 4: Simplify right side
    9,143.30x = 62,477,595.71
  5. Step 5: Solve for x
    x = 62,477,595.71/9,143.30
  6. Step 6: Final answer
    x = 6,833.16

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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.