Home / 9,505.88-13,118.10-5,314.12

Finding the Fourth Proportional to 9,505.88, 13,118.10 and 5,314.12

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Solution

The fourth proportional to 9,505.88, 13,118.10 and 5,314.12 is: 7,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.88 : 13,118.10 = 5,314.12 : x
  2. Step 2: Convert to fraction form
    9,505.88/13,118.10 = 5,314.12/x
  3. Step 3: Cross multiply
    9,505.88x = 13,118.10 × 5,314.12
  4. Step 4: Simplify right side
    9,505.88x = 69,711,157.57
  5. Step 5: Solve for x
    x = 69,711,157.57/9,505.88
  6. Step 6: Final answer
    x = 7,333.48

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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.