Home / 10,512.06-15,772.68-5,580.51

Finding the Fourth Proportional to 10,512.06, 15,772.68 and 5,580.51

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Solution

The fourth proportional to 10,512.06, 15,772.68 and 5,580.51 is: 8,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.06 : 15,772.68 = 5,580.51 : x
  2. Step 2: Convert to fraction form
    10,512.06/15,772.68 = 5,580.51/x
  3. Step 3: Cross multiply
    10,512.06x = 15,772.68 × 5,580.51
  4. Step 4: Simplify right side
    10,512.06x = 88,019,598.47
  5. Step 5: Solve for x
    x = 88,019,598.47/10,512.06
  6. Step 6: Final answer
    x = 8,373.20

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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.