Home / 10,077.60-15,117.42-2,682.06

Finding the Fourth Proportional to 10,077.60, 15,117.42 and 2,682.06

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Solution

The fourth proportional to 10,077.60, 15,117.42 and 2,682.06 is: 4,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.60 : 15,117.42 = 2,682.06 : x
  2. Step 2: Convert to fraction form
    10,077.60/15,117.42 = 2,682.06/x
  3. Step 3: Cross multiply
    10,077.60x = 15,117.42 × 2,682.06
  4. Step 4: Simplify right side
    10,077.60x = 40,545,827.49
  5. Step 5: Solve for x
    x = 40,545,827.49/10,077.60
  6. Step 6: Final answer
    x = 4,023.36

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1.5x scale

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.