Home / 9,868.52-13,612.20-5,886.56

Finding the Fourth Proportional to 9,868.52, 13,612.20 and 5,886.56

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Solution

The fourth proportional to 9,868.52, 13,612.20 and 5,886.56 is: 8,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.52 : 13,612.20 = 5,886.56 : x
  2. Step 2: Convert to fraction form
    9,868.52/13,612.20 = 5,886.56/x
  3. Step 3: Cross multiply
    9,868.52x = 13,612.20 × 5,886.56
  4. Step 4: Simplify right side
    9,868.52x = 80,129,043.99
  5. Step 5: Solve for x
    x = 80,129,043.99/9,868.52
  6. Step 6: Final answer
    x = 8,119.66

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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.