Home / 9,105.52-12,566.13-5,126.92

Finding the Fourth Proportional to 9,105.52, 12,566.13 and 5,126.92

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Solution

The fourth proportional to 9,105.52, 12,566.13 and 5,126.92 is: 7,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.52 : 12,566.13 = 5,126.92 : x
  2. Step 2: Convert to fraction form
    9,105.52/12,566.13 = 5,126.92/x
  3. Step 3: Cross multiply
    9,105.52x = 12,566.13 × 5,126.92
  4. Step 4: Simplify right side
    9,105.52x = 64,425,543.22
  5. Step 5: Solve for x
    x = 64,425,543.22/9,105.52
  6. Step 6: Final answer
    x = 7,075.44

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Double scale
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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.