Home / 9,540.32-14,314.59-5,160.85

Finding the Fourth Proportional to 9,540.32, 14,314.59 and 5,160.85

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Solution

The fourth proportional to 9,540.32, 14,314.59 and 5,160.85 is: 7,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.32 : 14,314.59 = 5,160.85 : x
  2. Step 2: Convert to fraction form
    9,540.32/14,314.59 = 5,160.85/x
  3. Step 3: Cross multiply
    9,540.32x = 14,314.59 × 5,160.85
  4. Step 4: Simplify right side
    9,540.32x = 73,875,416.02
  5. Step 5: Solve for x
    x = 73,875,416.02/9,540.32
  6. Step 6: Final answer
    x = 7,743.50

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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.