Home / 10,044.06-13,920.41-9,894.30

Finding the Fourth Proportional to 10,044.06, 13,920.41 and 9,894.30

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Solution

The fourth proportional to 10,044.06, 13,920.41 and 9,894.30 is: 13,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,044.06 : 13,920.41 = 9,894.30 : x
  2. Step 2: Convert to fraction form
    10,044.06/13,920.41 = 9,894.30/x
  3. Step 3: Cross multiply
    10,044.06x = 13,920.41 × 9,894.30
  4. Step 4: Simplify right side
    10,044.06x = 137,732,663.19
  5. Step 5: Solve for x
    x = 137,732,663.19/10,044.06
  6. Step 6: Final answer
    x = 13,712.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.