Home / 9,043.18-12,478.90-5,063.75

Finding the Fourth Proportional to 9,043.18, 12,478.90 and 5,063.75

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Solution

The fourth proportional to 9,043.18, 12,478.90 and 5,063.75 is: 6,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.18 : 12,478.90 = 5,063.75 : x
  2. Step 2: Convert to fraction form
    9,043.18/12,478.90 = 5,063.75/x
  3. Step 3: Cross multiply
    9,043.18x = 12,478.90 × 5,063.75
  4. Step 4: Simplify right side
    9,043.18x = 63,190,029.88
  5. Step 5: Solve for x
    x = 63,190,029.88/9,043.18
  6. Step 6: Final answer
    x = 6,987.59

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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.