Home / 10,995.14-15,173.30-5,959.40

Finding the Fourth Proportional to 10,995.14, 15,173.30 and 5,959.40

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Solution

The fourth proportional to 10,995.14, 15,173.30 and 5,959.40 is: 8,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.14 : 15,173.30 = 5,959.40 : x
  2. Step 2: Convert to fraction form
    10,995.14/15,173.30 = 5,959.40/x
  3. Step 3: Cross multiply
    10,995.14x = 15,173.30 × 5,959.40
  4. Step 4: Simplify right side
    10,995.14x = 90,423,764.02
  5. Step 5: Solve for x
    x = 90,423,764.02/10,995.14
  6. Step 6: Final answer
    x = 8,223.98

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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.