Home / 8,832.24-12,174.30-7,345.08

Finding the Fourth Proportional to 8,832.24, 12,174.30 and 7,345.08

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Solution

The fourth proportional to 8,832.24, 12,174.30 and 7,345.08 is: 10,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.24 : 12,174.30 = 7,345.08 : x
  2. Step 2: Convert to fraction form
    8,832.24/12,174.30 = 7,345.08/x
  3. Step 3: Cross multiply
    8,832.24x = 12,174.30 × 7,345.08
  4. Step 4: Simplify right side
    8,832.24x = 89,421,207.44
  5. Step 5: Solve for x
    x = 89,421,207.44/8,832.24
  6. Step 6: Final answer
    x = 10,124.41

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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.