Home / 11,342.16-15,652.32-6,864.96

Finding the Fourth Proportional to 11,342.16, 15,652.32 and 6,864.96

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Solution

The fourth proportional to 11,342.16, 15,652.32 and 6,864.96 is: 9,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.16 : 15,652.32 = 6,864.96 : x
  2. Step 2: Convert to fraction form
    11,342.16/15,652.32 = 6,864.96/x
  3. Step 3: Cross multiply
    11,342.16x = 15,652.32 × 6,864.96
  4. Step 4: Simplify right side
    11,342.16x = 107,452,550.71
  5. Step 5: Solve for x
    x = 107,452,550.71/11,342.16
  6. Step 6: Final answer
    x = 9,473.73

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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.