Home / 11,275.65-16,908.69-5,649.60

Finding the Fourth Proportional to 11,275.65, 16,908.69 and 5,649.60

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Solution

The fourth proportional to 11,275.65, 16,908.69 and 5,649.60 is: 8,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.65 : 16,908.69 = 5,649.60 : x
  2. Step 2: Convert to fraction form
    11,275.65/16,908.69 = 5,649.60/x
  3. Step 3: Cross multiply
    11,275.65x = 16,908.69 × 5,649.60
  4. Step 4: Simplify right side
    11,275.65x = 95,527,335.02
  5. Step 5: Solve for x
    x = 95,527,335.02/11,275.65
  6. Step 6: Final answer
    x = 8,472.00

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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.