Home / 11,335.20-16,970.76-7,630.08

Finding the Fourth Proportional to 11,335.20, 16,970.76 and 7,630.08

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Solution

The fourth proportional to 11,335.20, 16,970.76 and 7,630.08 is: 11,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.20 : 16,970.76 = 7,630.08 : x
  2. Step 2: Convert to fraction form
    11,335.20/16,970.76 = 7,630.08/x
  3. Step 3: Cross multiply
    11,335.20x = 16,970.76 × 7,630.08
  4. Step 4: Simplify right side
    11,335.20x = 129,488,256.46
  5. Step 5: Solve for x
    x = 129,488,256.46/11,335.20
  6. Step 6: Final answer
    x = 11,423.55

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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.