Home / 7,454.32-11,176.31-6,291.87

Finding the Fourth Proportional to 7,454.32, 11,176.31 and 6,291.87

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Solution

The fourth proportional to 7,454.32, 11,176.31 and 6,291.87 is: 9,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.32 : 11,176.31 = 6,291.87 : x
  2. Step 2: Convert to fraction form
    7,454.32/11,176.31 = 6,291.87/x
  3. Step 3: Cross multiply
    7,454.32x = 11,176.31 × 6,291.87
  4. Step 4: Simplify right side
    7,454.32x = 70,319,802.26
  5. Step 5: Solve for x
    x = 70,319,802.26/7,454.32
  6. Step 6: Final answer
    x = 9,433.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.