Home / 10,657.17-15,984.54-2,865.38

Finding the Fourth Proportional to 10,657.17, 15,984.54 and 2,865.38

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Solution

The fourth proportional to 10,657.17, 15,984.54 and 2,865.38 is: 4,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.17 : 15,984.54 = 2,865.38 : x
  2. Step 2: Convert to fraction form
    10,657.17/15,984.54 = 2,865.38/x
  3. Step 3: Cross multiply
    10,657.17x = 15,984.54 × 2,865.38
  4. Step 4: Simplify right side
    10,657.17x = 45,801,701.30
  5. Step 5: Solve for x
    x = 45,801,701.30/10,657.17
  6. Step 6: Final answer
    x = 4,297.74

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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.