Home / 12,748.33-17,592.45-7,710.76

Finding the Fourth Proportional to 12,748.33, 17,592.45 and 7,710.76

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Solution

The fourth proportional to 12,748.33, 17,592.45 and 7,710.76 is: 10,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.33 : 17,592.45 = 7,710.76 : x
  2. Step 2: Convert to fraction form
    12,748.33/17,592.45 = 7,710.76/x
  3. Step 3: Cross multiply
    12,748.33x = 17,592.45 × 7,710.76
  4. Step 4: Simplify right side
    12,748.33x = 135,651,159.76
  5. Step 5: Solve for x
    x = 135,651,159.76/12,748.33
  6. Step 6: Final answer
    x = 10,640.70

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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.