Home / 9,531.85-13,157.57-5,554.25

Finding the Fourth Proportional to 9,531.85, 13,157.57 and 5,554.25

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Solution

The fourth proportional to 9,531.85, 13,157.57 and 5,554.25 is: 7,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.85 : 13,157.57 = 5,554.25 : x
  2. Step 2: Convert to fraction form
    9,531.85/13,157.57 = 5,554.25/x
  3. Step 3: Cross multiply
    9,531.85x = 13,157.57 × 5,554.25
  4. Step 4: Simplify right side
    9,531.85x = 73,080,433.17
  5. Step 5: Solve for x
    x = 73,080,433.17/9,531.85
  6. Step 6: Final answer
    x = 7,666.97

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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.