Home / 11,832.08-17,748.28-5,680.40

Finding the Fourth Proportional to 11,832.08, 17,748.28 and 5,680.40

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Solution

The fourth proportional to 11,832.08, 17,748.28 and 5,680.40 is: 8,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.08 : 17,748.28 = 5,680.40 : x
  2. Step 2: Convert to fraction form
    11,832.08/17,748.28 = 5,680.40/x
  3. Step 3: Cross multiply
    11,832.08x = 17,748.28 × 5,680.40
  4. Step 4: Simplify right side
    11,832.08x = 100,817,329.71
  5. Step 5: Solve for x
    x = 100,817,329.71/11,832.08
  6. Step 6: Final answer
    x = 8,520.68

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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.