Home / 9,063.28-12,509.40-5,339.44

Finding the Fourth Proportional to 9,063.28, 12,509.40 and 5,339.44

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Solution

The fourth proportional to 9,063.28, 12,509.40 and 5,339.44 is: 7,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.28 : 12,509.40 = 5,339.44 : x
  2. Step 2: Convert to fraction form
    9,063.28/12,509.40 = 5,339.44/x
  3. Step 3: Cross multiply
    9,063.28x = 12,509.40 × 5,339.44
  4. Step 4: Simplify right side
    9,063.28x = 66,793,190.74
  5. Step 5: Solve for x
    x = 66,793,190.74/9,063.28
  6. Step 6: Final answer
    x = 7,369.65

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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.