Home / 10,440.22-14,407.95-6,247.66

Finding the Fourth Proportional to 10,440.22, 14,407.95 and 6,247.66

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Solution

The fourth proportional to 10,440.22, 14,407.95 and 6,247.66 is: 8,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.22 : 14,407.95 = 6,247.66 : x
  2. Step 2: Convert to fraction form
    10,440.22/14,407.95 = 6,247.66/x
  3. Step 3: Cross multiply
    10,440.22x = 14,407.95 × 6,247.66
  4. Step 4: Simplify right side
    10,440.22x = 90,015,972.90
  5. Step 5: Solve for x
    x = 90,015,972.90/10,440.22
  6. Step 6: Final answer
    x = 8,622.04

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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.