Home / 10,980.88-15,168.36-10,462.48

Finding the Fourth Proportional to 10,980.88, 15,168.36 and 10,462.48

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Solution

The fourth proportional to 10,980.88, 15,168.36 and 10,462.48 is: 14,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.88 : 15,168.36 = 10,462.48 : x
  2. Step 2: Convert to fraction form
    10,980.88/15,168.36 = 10,462.48/x
  3. Step 3: Cross multiply
    10,980.88x = 15,168.36 × 10,462.48
  4. Step 4: Simplify right side
    10,980.88x = 158,698,663.13
  5. Step 5: Solve for x
    x = 158,698,663.13/10,980.88
  6. Step 6: Final answer
    x = 14,452.27

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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.