Home / 12,376.32-18,547.20-6,832.32

Finding the Fourth Proportional to 12,376.32, 18,547.20 and 6,832.32

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Solution

The fourth proportional to 12,376.32, 18,547.20 and 6,832.32 is: 10,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.32 : 18,547.20 = 6,832.32 : x
  2. Step 2: Convert to fraction form
    12,376.32/18,547.20 = 6,832.32/x
  3. Step 3: Cross multiply
    12,376.32x = 18,547.20 × 6,832.32
  4. Step 4: Simplify right side
    12,376.32x = 126,720,405.50
  5. Step 5: Solve for x
    x = 126,720,405.50/12,376.32
  6. Step 6: Final answer
    x = 10,238.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.