Home / 10,219.50-15,335.13-4,295.88

Finding the Fourth Proportional to 10,219.50, 15,335.13 and 4,295.88

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Solution

The fourth proportional to 10,219.50, 15,335.13 and 4,295.88 is: 6,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.50 : 15,335.13 = 4,295.88 : x
  2. Step 2: Convert to fraction form
    10,219.50/15,335.13 = 4,295.88/x
  3. Step 3: Cross multiply
    10,219.50x = 15,335.13 × 4,295.88
  4. Step 4: Simplify right side
    10,219.50x = 65,877,878.26
  5. Step 5: Solve for x
    x = 65,877,878.26/10,219.50
  6. Step 6: Final answer
    x = 6,446.29

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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.