Home / 11,335.20-15,641.80-6,299.02

Finding the Fourth Proportional to 11,335.20, 15,641.80 and 6,299.02

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Solution

The fourth proportional to 11,335.20, 15,641.80 and 6,299.02 is: 8,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.20 : 15,641.80 = 6,299.02 : x
  2. Step 2: Convert to fraction form
    11,335.20/15,641.80 = 6,299.02/x
  3. Step 3: Cross multiply
    11,335.20x = 15,641.80 × 6,299.02
  4. Step 4: Simplify right side
    11,335.20x = 98,528,011.04
  5. Step 5: Solve for x
    x = 98,528,011.04/11,335.20
  6. Step 6: Final answer
    x = 8,692.22

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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.