Home / 9,143.05-12,617.43-4,951.30

Finding the Fourth Proportional to 9,143.05, 12,617.43 and 4,951.30

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Solution

The fourth proportional to 9,143.05, 12,617.43 and 4,951.30 is: 6,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.05 : 12,617.43 = 4,951.30 : x
  2. Step 2: Convert to fraction form
    9,143.05/12,617.43 = 4,951.30/x
  3. Step 3: Cross multiply
    9,143.05x = 12,617.43 × 4,951.30
  4. Step 4: Simplify right side
    9,143.05x = 62,472,681.16
  5. Step 5: Solve for x
    x = 62,472,681.16/9,143.05
  6. Step 6: Final answer
    x = 6,832.81

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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.