Home / 8,061.15-11,126.70-4,874.45

Finding the Fourth Proportional to 8,061.15, 11,126.70 and 4,874.45

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Solution

The fourth proportional to 8,061.15, 11,126.70 and 4,874.45 is: 6,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.15 : 11,126.70 = 4,874.45 : x
  2. Step 2: Convert to fraction form
    8,061.15/11,126.70 = 4,874.45/x
  3. Step 3: Cross multiply
    8,061.15x = 11,126.70 × 4,874.45
  4. Step 4: Simplify right side
    8,061.15x = 54,236,531.22
  5. Step 5: Solve for x
    x = 54,236,531.22/8,061.15
  6. Step 6: Final answer
    x = 6,728.14

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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.