Home / 10,091.04-15,140.40-4,543.11

Finding the Fourth Proportional to 10,091.04, 15,140.40 and 4,543.11

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Solution

The fourth proportional to 10,091.04, 15,140.40 and 4,543.11 is: 6,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.04 : 15,140.40 = 4,543.11 : x
  2. Step 2: Convert to fraction form
    10,091.04/15,140.40 = 4,543.11/x
  3. Step 3: Cross multiply
    10,091.04x = 15,140.40 × 4,543.11
  4. Step 4: Simplify right side
    10,091.04x = 68,784,493.87
  5. Step 5: Solve for x
    x = 68,784,493.87/10,091.04
  6. Step 6: Final answer
    x = 6,816.39

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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.