Home / 12,527.55-17,279.70-8,056.96

Finding the Fourth Proportional to 12,527.55, 17,279.70 and 8,056.96

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Solution

The fourth proportional to 12,527.55, 17,279.70 and 8,056.96 is: 11,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.55 : 17,279.70 = 8,056.96 : x
  2. Step 2: Convert to fraction form
    12,527.55/17,279.70 = 8,056.96/x
  3. Step 3: Cross multiply
    12,527.55x = 17,279.70 × 8,056.96
  4. Step 4: Simplify right side
    12,527.55x = 139,221,778.30
  5. Step 5: Solve for x
    x = 139,221,778.30/12,527.55
  6. Step 6: Final answer
    x = 11,113.25

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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.