Home / 7,480.32-10,318.56-4,680.96

Finding the Fourth Proportional to 7,480.32, 10,318.56 and 4,680.96

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Solution

The fourth proportional to 7,480.32, 10,318.56 and 4,680.96 is: 6,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.32 : 10,318.56 = 4,680.96 : x
  2. Step 2: Convert to fraction form
    7,480.32/10,318.56 = 4,680.96/x
  3. Step 3: Cross multiply
    7,480.32x = 10,318.56 × 4,680.96
  4. Step 4: Simplify right side
    7,480.32x = 48,300,766.62
  5. Step 5: Solve for x
    x = 48,300,766.62/7,480.32
  6. Step 6: Final answer
    x = 6,457.05

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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.