Home / 9,125.70-12,593.46-5,146.74

Finding the Fourth Proportional to 9,125.70, 12,593.46 and 5,146.74

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Solution

The fourth proportional to 9,125.70, 12,593.46 and 5,146.74 is: 7,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.70 : 12,593.46 = 5,146.74 : x
  2. Step 2: Convert to fraction form
    9,125.70/12,593.46 = 5,146.74/x
  3. Step 3: Cross multiply
    9,125.70x = 12,593.46 × 5,146.74
  4. Step 4: Simplify right side
    9,125.70x = 64,815,264.32
  5. Step 5: Solve for x
    x = 64,815,264.32/9,125.70
  6. Step 6: Final answer
    x = 7,102.50

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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.