Home / 10,495.04-15,737.70-3,921.08

Finding the Fourth Proportional to 10,495.04, 15,737.70 and 3,921.08

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Solution

The fourth proportional to 10,495.04, 15,737.70 and 3,921.08 is: 5,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.04 : 15,737.70 = 3,921.08 : x
  2. Step 2: Convert to fraction form
    10,495.04/15,737.70 = 3,921.08/x
  3. Step 3: Cross multiply
    10,495.04x = 15,737.70 × 3,921.08
  4. Step 4: Simplify right side
    10,495.04x = 61,708,780.72
  5. Step 5: Solve for x
    x = 61,708,780.72/10,495.04
  6. Step 6: Final answer
    x = 5,879.80

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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.