Home / 9,142.79-12,617.01-4,951.04

Finding the Fourth Proportional to 9,142.79, 12,617.01 and 4,951.04

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Solution

The fourth proportional to 9,142.79, 12,617.01 and 4,951.04 is: 6,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.79 : 12,617.01 = 4,951.04 : x
  2. Step 2: Convert to fraction form
    9,142.79/12,617.01 = 4,951.04/x
  3. Step 3: Cross multiply
    9,142.79x = 12,617.01 × 4,951.04
  4. Step 4: Simplify right side
    9,142.79x = 62,467,258.11
  5. Step 5: Solve for x
    x = 62,467,258.11/9,142.79
  6. Step 6: Final answer
    x = 6,832.41

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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.