Home / 8,717.34-12,029.96-5,132.48

Finding the Fourth Proportional to 8,717.34, 12,029.96 and 5,132.48

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Solution

The fourth proportional to 8,717.34, 12,029.96 and 5,132.48 is: 7,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.34 : 12,029.96 = 5,132.48 : x
  2. Step 2: Convert to fraction form
    8,717.34/12,029.96 = 5,132.48/x
  3. Step 3: Cross multiply
    8,717.34x = 12,029.96 × 5,132.48
  4. Step 4: Simplify right side
    8,717.34x = 61,743,529.10
  5. Step 5: Solve for x
    x = 61,743,529.10/8,717.34
  6. Step 6: Final answer
    x = 7,082.84

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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.