Home / 8,788.48-12,126.12-5,251

Finding the Fourth Proportional to 8,788.48, 12,126.12 and 5,251

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Solution

The fourth proportional to 8,788.48, 12,126.12 and 5,251 is: 7,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.48 : 12,126.12 = 5,251 : x
  2. Step 2: Convert to fraction form
    8,788.48/12,126.12 = 5,251/x
  3. Step 3: Cross multiply
    8,788.48x = 12,126.12 × 5,251
  4. Step 4: Simplify right side
    8,788.48x = 63,674,256.12
  5. Step 5: Solve for x
    x = 63,674,256.12/8,788.48
  6. Step 6: Final answer
    x = 7,245.20

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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.