Home / 8,372.08-11,527.20-7,110.48

Finding the Fourth Proportional to 8,372.08, 11,527.20 and 7,110.48

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Solution

The fourth proportional to 8,372.08, 11,527.20 and 7,110.48 is: 9,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.08 : 11,527.20 = 7,110.48 : x
  2. Step 2: Convert to fraction form
    8,372.08/11,527.20 = 7,110.48/x
  3. Step 3: Cross multiply
    8,372.08x = 11,527.20 × 7,110.48
  4. Step 4: Simplify right side
    8,372.08x = 81,963,925.06
  5. Step 5: Solve for x
    x = 81,963,925.06/8,372.08
  6. Step 6: Final answer
    x = 9,790.15

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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.