Home / 11,079.96-15,292.98-7,110.48

Finding the Fourth Proportional to 11,079.96, 15,292.98 and 7,110.48

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Solution

The fourth proportional to 11,079.96, 15,292.98 and 7,110.48 is: 9,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.96 : 15,292.98 = 7,110.48 : x
  2. Step 2: Convert to fraction form
    11,079.96/15,292.98 = 7,110.48/x
  3. Step 3: Cross multiply
    11,079.96x = 15,292.98 × 7,110.48
  4. Step 4: Simplify right side
    11,079.96x = 108,740,428.43
  5. Step 5: Solve for x
    x = 108,740,428.43/11,079.96
  6. Step 6: Final answer
    x = 9,814.15

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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.