Home / 10,659.20-15,988.83-3,263.63

Finding the Fourth Proportional to 10,659.20, 15,988.83 and 3,263.63

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Solution

The fourth proportional to 10,659.20, 15,988.83 and 3,263.63 is: 4,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.20 : 15,988.83 = 3,263.63 : x
  2. Step 2: Convert to fraction form
    10,659.20/15,988.83 = 3,263.63/x
  3. Step 3: Cross multiply
    10,659.20x = 15,988.83 × 3,263.63
  4. Step 4: Simplify right side
    10,659.20x = 52,181,545.31
  5. Step 5: Solve for x
    x = 52,181,545.31/10,659.20
  6. Step 6: Final answer
    x = 4,895.45

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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.