Home / 10,039.95-15,059.87-2,543.58

Finding the Fourth Proportional to 10,039.95, 15,059.87 and 2,543.58

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Solution

The fourth proportional to 10,039.95, 15,059.87 and 2,543.58 is: 3,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.95 : 15,059.87 = 2,543.58 : x
  2. Step 2: Convert to fraction form
    10,039.95/15,059.87 = 2,543.58/x
  3. Step 3: Cross multiply
    10,039.95x = 15,059.87 × 2,543.58
  4. Step 4: Simplify right side
    10,039.95x = 38,305,971.42
  5. Step 5: Solve for x
    x = 38,305,971.42/10,039.95
  6. Step 6: Final answer
    x = 3,815.35

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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.