Home / 11,100.46-15,292.57-7,737.16

Finding the Fourth Proportional to 11,100.46, 15,292.57 and 7,737.16

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Solution

The fourth proportional to 11,100.46, 15,292.57 and 7,737.16 is: 10,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.46 : 15,292.57 = 7,737.16 : x
  2. Step 2: Convert to fraction form
    11,100.46/15,292.57 = 7,737.16/x
  3. Step 3: Cross multiply
    11,100.46x = 15,292.57 × 7,737.16
  4. Step 4: Simplify right side
    11,100.46x = 118,321,060.90
  5. Step 5: Solve for x
    x = 118,321,060.90/11,100.46
  6. Step 6: Final answer
    x = 10,659.11

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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.