Home / 9,503.32-13,115.82-5,312.44

Finding the Fourth Proportional to 9,503.32, 13,115.82 and 5,312.44

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Solution

The fourth proportional to 9,503.32, 13,115.82 and 5,312.44 is: 7,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.32 : 13,115.82 = 5,312.44 : x
  2. Step 2: Convert to fraction form
    9,503.32/13,115.82 = 5,312.44/x
  3. Step 3: Cross multiply
    9,503.32x = 13,115.82 × 5,312.44
  4. Step 4: Simplify right side
    9,503.32x = 69,677,006.80
  5. Step 5: Solve for x
    x = 69,677,006.80/9,503.32
  6. Step 6: Final answer
    x = 7,331.86

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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.