Home / 8,749.12-12,034.56-7,060

Finding the Fourth Proportional to 8,749.12, 12,034.56 and 7,060

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Solution

The fourth proportional to 8,749.12, 12,034.56 and 7,060 is: 9,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.12 : 12,034.56 = 7,060 : x
  2. Step 2: Convert to fraction form
    8,749.12/12,034.56 = 7,060/x
  3. Step 3: Cross multiply
    8,749.12x = 12,034.56 × 7,060
  4. Step 4: Simplify right side
    8,749.12x = 84,963,993.60
  5. Step 5: Solve for x
    x = 84,963,993.60/8,749.12
  6. Step 6: Final answer
    x = 9,711.15

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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.