Home / 12,332.32-16,998.12-8,742.64

Finding the Fourth Proportional to 12,332.32, 16,998.12 and 8,742.64

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Solution

The fourth proportional to 12,332.32, 16,998.12 and 8,742.64 is: 12,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.32 : 16,998.12 = 8,742.64 : x
  2. Step 2: Convert to fraction form
    12,332.32/16,998.12 = 8,742.64/x
  3. Step 3: Cross multiply
    12,332.32x = 16,998.12 × 8,742.64
  4. Step 4: Simplify right side
    12,332.32x = 148,608,443.84
  5. Step 5: Solve for x
    x = 148,608,443.84/12,332.32
  6. Step 6: Final answer
    x = 12,050.32

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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.