Home / 10,084.50-15,128.88-4,237.74

Finding the Fourth Proportional to 10,084.50, 15,128.88 and 4,237.74

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Solution

The fourth proportional to 10,084.50, 15,128.88 and 4,237.74 is: 6,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.50 : 15,128.88 = 4,237.74 : x
  2. Step 2: Convert to fraction form
    10,084.50/15,128.88 = 4,237.74/x
  3. Step 3: Cross multiply
    10,084.50x = 15,128.88 × 4,237.74
  4. Step 4: Simplify right side
    10,084.50x = 64,112,259.93
  5. Step 5: Solve for x
    x = 64,112,259.93/10,084.50
  6. Step 6: Final answer
    x = 6,357.51

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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.