Home / 10,276.68-15,440.38-6,580.52

Finding the Fourth Proportional to 10,276.68, 15,440.38 and 6,580.52

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Solution

The fourth proportional to 10,276.68, 15,440.38 and 6,580.52 is: 9,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.68 : 15,440.38 = 6,580.52 : x
  2. Step 2: Convert to fraction form
    10,276.68/15,440.38 = 6,580.52/x
  3. Step 3: Cross multiply
    10,276.68x = 15,440.38 × 6,580.52
  4. Step 4: Simplify right side
    10,276.68x = 101,605,729.40
  5. Step 5: Solve for x
    x = 101,605,729.40/10,276.68
  6. Step 6: Final answer
    x = 9,887.02

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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.