Home / 11,292.20-15,581.95-6,255.16

Finding the Fourth Proportional to 11,292.20, 15,581.95 and 6,255.16

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Solution

The fourth proportional to 11,292.20, 15,581.95 and 6,255.16 is: 8,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.20 : 15,581.95 = 6,255.16 : x
  2. Step 2: Convert to fraction form
    11,292.20/15,581.95 = 6,255.16/x
  3. Step 3: Cross multiply
    11,292.20x = 15,581.95 × 6,255.16
  4. Step 4: Simplify right side
    11,292.20x = 97,467,594.20
  5. Step 5: Solve for x
    x = 97,467,594.20/11,292.20
  6. Step 6: Final answer
    x = 8,631.41

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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.