Home / 10,405.72-14,358.46-5,928.60

Finding the Fourth Proportional to 10,405.72, 14,358.46 and 5,928.60

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Solution

The fourth proportional to 10,405.72, 14,358.46 and 5,928.60 is: 8,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.72 : 14,358.46 = 5,928.60 : x
  2. Step 2: Convert to fraction form
    10,405.72/14,358.46 = 5,928.60/x
  3. Step 3: Cross multiply
    10,405.72x = 14,358.46 × 5,928.60
  4. Step 4: Simplify right side
    10,405.72x = 85,125,565.96
  5. Step 5: Solve for x
    x = 85,125,565.96/10,405.72
  6. Step 6: Final answer
    x = 8,180.65

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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.