Home / 10,948.32-16,318.47-10,325.61

Finding the Fourth Proportional to 10,948.32, 16,318.47 and 10,325.61

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Solution

The fourth proportional to 10,948.32, 16,318.47 and 10,325.61 is: 15,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.32 : 16,318.47 = 10,325.61 : x
  2. Step 2: Convert to fraction form
    10,948.32/16,318.47 = 10,325.61/x
  3. Step 3: Cross multiply
    10,948.32x = 16,318.47 × 10,325.61
  4. Step 4: Simplify right side
    10,948.32x = 168,498,157.02
  5. Step 5: Solve for x
    x = 168,498,157.02/10,948.32
  6. Step 6: Final answer
    x = 15,390.32

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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.