Home / 10,079.47-13,910.54-5,604.09

Finding the Fourth Proportional to 10,079.47, 13,910.54 and 5,604.09

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Solution

The fourth proportional to 10,079.47, 13,910.54 and 5,604.09 is: 7,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.47 : 13,910.54 = 5,604.09 : x
  2. Step 2: Convert to fraction form
    10,079.47/13,910.54 = 5,604.09/x
  3. Step 3: Cross multiply
    10,079.47x = 13,910.54 × 5,604.09
  4. Step 4: Simplify right side
    10,079.47x = 77,955,918.11
  5. Step 5: Solve for x
    x = 77,955,918.11/10,079.47
  6. Step 6: Final answer
    x = 7,734.13

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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.