Home / 10,084.02-15,120.46-4,820.35

Finding the Fourth Proportional to 10,084.02, 15,120.46 and 4,820.35

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Solution

The fourth proportional to 10,084.02, 15,120.46 and 4,820.35 is: 7,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.02 : 15,120.46 = 4,820.35 : x
  2. Step 2: Convert to fraction form
    10,084.02/15,120.46 = 4,820.35/x
  3. Step 3: Cross multiply
    10,084.02x = 15,120.46 × 4,820.35
  4. Step 4: Simplify right side
    10,084.02x = 72,885,909.36
  5. Step 5: Solve for x
    x = 72,885,909.36/10,084.02
  6. Step 6: Final answer
    x = 7,227.86

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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.