Home / 8,770.24-12,100.08-5,970.88

Finding the Fourth Proportional to 8,770.24, 12,100.08 and 5,970.88

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Solution

The fourth proportional to 8,770.24, 12,100.08 and 5,970.88 is: 8,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.24 : 12,100.08 = 5,970.88 : x
  2. Step 2: Convert to fraction form
    8,770.24/12,100.08 = 5,970.88/x
  3. Step 3: Cross multiply
    8,770.24x = 12,100.08 × 5,970.88
  4. Step 4: Simplify right side
    8,770.24x = 72,248,125.67
  5. Step 5: Solve for x
    x = 72,248,125.67/8,770.24
  6. Step 6: Final answer
    x = 8,237.87

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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.