Home / 10,107.18-13,948.34-5,630.92

Finding the Fourth Proportional to 10,107.18, 13,948.34 and 5,630.92

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Solution

The fourth proportional to 10,107.18, 13,948.34 and 5,630.92 is: 7,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.18 : 13,948.34 = 5,630.92 : x
  2. Step 2: Convert to fraction form
    10,107.18/13,948.34 = 5,630.92/x
  3. Step 3: Cross multiply
    10,107.18x = 13,948.34 × 5,630.92
  4. Step 4: Simplify right side
    10,107.18x = 78,541,986.67
  5. Step 5: Solve for x
    x = 78,541,986.67/10,107.18
  6. Step 6: Final answer
    x = 7,770.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.