Home / 9,481.15-14,158.84-9,378.18

Finding the Fourth Proportional to 9,481.15, 14,158.84 and 9,378.18

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Solution

The fourth proportional to 9,481.15, 14,158.84 and 9,378.18 is: 14,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.15 : 14,158.84 = 9,378.18 : x
  2. Step 2: Convert to fraction form
    9,481.15/14,158.84 = 9,378.18/x
  3. Step 3: Cross multiply
    9,481.15x = 14,158.84 × 9,378.18
  4. Step 4: Simplify right side
    9,481.15x = 132,784,079.32
  5. Step 5: Solve for x
    x = 132,784,079.32/9,481.15
  6. Step 6: Final answer
    x = 14,005.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.