Home / 10,995.36-15,173.82-6,281.16

Finding the Fourth Proportional to 10,995.36, 15,173.82 and 6,281.16

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Solution

The fourth proportional to 10,995.36, 15,173.82 and 6,281.16 is: 8,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.36 : 15,173.82 = 6,281.16 : x
  2. Step 2: Convert to fraction form
    10,995.36/15,173.82 = 6,281.16/x
  3. Step 3: Cross multiply
    10,995.36x = 15,173.82 × 6,281.16
  4. Step 4: Simplify right side
    10,995.36x = 95,309,191.23
  5. Step 5: Solve for x
    x = 95,309,191.23/10,995.36
  6. Step 6: Final answer
    x = 8,668.13

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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.