Home / 10,465.01-15,695.79-3,445.12

Finding the Fourth Proportional to 10,465.01, 15,695.79 and 3,445.12

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Solution

The fourth proportional to 10,465.01, 15,695.79 and 3,445.12 is: 5,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.01 : 15,695.79 = 3,445.12 : x
  2. Step 2: Convert to fraction form
    10,465.01/15,695.79 = 3,445.12/x
  3. Step 3: Cross multiply
    10,465.01x = 15,695.79 × 3,445.12
  4. Step 4: Simplify right side
    10,465.01x = 54,073,801.57
  5. Step 5: Solve for x
    x = 54,073,801.57/10,465.01
  6. Step 6: Final answer
    x = 5,167.10

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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.