Home / 9,166.56-12,649.80-4,974.72

Finding the Fourth Proportional to 9,166.56, 12,649.80 and 4,974.72

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Solution

The fourth proportional to 9,166.56, 12,649.80 and 4,974.72 is: 6,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.56 : 12,649.80 = 4,974.72 : x
  2. Step 2: Convert to fraction form
    9,166.56/12,649.80 = 4,974.72/x
  3. Step 3: Cross multiply
    9,166.56x = 12,649.80 × 4,974.72
  4. Step 4: Simplify right side
    9,166.56x = 62,929,213.06
  5. Step 5: Solve for x
    x = 62,929,213.06/9,166.56
  6. Step 6: Final answer
    x = 6,865.08

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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.