Home / 10,746.48-16,117.80-6,839.28

Finding the Fourth Proportional to 10,746.48, 16,117.80 and 6,839.28

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Solution

The fourth proportional to 10,746.48, 16,117.80 and 6,839.28 is: 10,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.48 : 16,117.80 = 6,839.28 : x
  2. Step 2: Convert to fraction form
    10,746.48/16,117.80 = 6,839.28/x
  3. Step 3: Cross multiply
    10,746.48x = 16,117.80 × 6,839.28
  4. Step 4: Simplify right side
    10,746.48x = 110,234,147.18
  5. Step 5: Solve for x
    x = 110,234,147.18/10,746.48
  6. Step 6: Final answer
    x = 10,257.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.