Home / 9,079.55-12,529.79-5,100.66

Finding the Fourth Proportional to 9,079.55, 12,529.79 and 5,100.66

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Solution

The fourth proportional to 9,079.55, 12,529.79 and 5,100.66 is: 7,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.55 : 12,529.79 = 5,100.66 : x
  2. Step 2: Convert to fraction form
    9,079.55/12,529.79 = 5,100.66/x
  3. Step 3: Cross multiply
    9,079.55x = 12,529.79 × 5,100.66
  4. Step 4: Simplify right side
    9,079.55x = 63,910,192.29
  5. Step 5: Solve for x
    x = 63,910,192.29/9,079.55
  6. Step 6: Final answer
    x = 7,038.92

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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.