Home / 8,771.16-12,103.38-5,233.08

Finding the Fourth Proportional to 8,771.16, 12,103.38 and 5,233.08

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Solution

The fourth proportional to 8,771.16, 12,103.38 and 5,233.08 is: 7,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.16 : 12,103.38 = 5,233.08 : x
  2. Step 2: Convert to fraction form
    8,771.16/12,103.38 = 5,233.08/x
  3. Step 3: Cross multiply
    8,771.16x = 12,103.38 × 5,233.08
  4. Step 4: Simplify right side
    8,771.16x = 63,337,955.81
  5. Step 5: Solve for x
    x = 63,337,955.81/8,771.16
  6. Step 6: Final answer
    x = 7,221.16

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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.