Home / 10,363.76-14,307.68-7,717.49

Finding the Fourth Proportional to 10,363.76, 14,307.68 and 7,717.49

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Solution

The fourth proportional to 10,363.76, 14,307.68 and 7,717.49 is: 10,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.76 : 14,307.68 = 7,717.49 : x
  2. Step 2: Convert to fraction form
    10,363.76/14,307.68 = 7,717.49/x
  3. Step 3: Cross multiply
    10,363.76x = 14,307.68 × 7,717.49
  4. Step 4: Simplify right side
    10,363.76x = 110,419,377.32
  5. Step 5: Solve for x
    x = 110,419,377.32/10,363.76
  6. Step 6: Final answer
    x = 10,654.37

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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.