Home / 7,650.18-11,475.38-2,970.46

Finding the Fourth Proportional to 7,650.18, 11,475.38 and 2,970.46

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Solution

The fourth proportional to 7,650.18, 11,475.38 and 2,970.46 is: 4,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.18 : 11,475.38 = 2,970.46 : x
  2. Step 2: Convert to fraction form
    7,650.18/11,475.38 = 2,970.46/x
  3. Step 3: Cross multiply
    7,650.18x = 11,475.38 × 2,970.46
  4. Step 4: Simplify right side
    7,650.18x = 34,087,113.73
  5. Step 5: Solve for x
    x = 34,087,113.73/7,650.18
  6. Step 6: Final answer
    x = 4,455.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.