Home / 7,414.02-11,121.05-3,031.48

Finding the Fourth Proportional to 7,414.02, 11,121.05 and 3,031.48

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Solution

The fourth proportional to 7,414.02, 11,121.05 and 3,031.48 is: 4,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.02 : 11,121.05 = 3,031.48 : x
  2. Step 2: Convert to fraction form
    7,414.02/11,121.05 = 3,031.48/x
  3. Step 3: Cross multiply
    7,414.02x = 11,121.05 × 3,031.48
  4. Step 4: Simplify right side
    7,414.02x = 33,713,240.65
  5. Step 5: Solve for x
    x = 33,713,240.65/7,414.02
  6. Step 6: Final answer
    x = 4,547.23

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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.