Home / 7,543.56-11,315.32-4,615.71

Finding the Fourth Proportional to 7,543.56, 11,315.32 and 4,615.71

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Solution

The fourth proportional to 7,543.56, 11,315.32 and 4,615.71 is: 6,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.56 : 11,315.32 = 4,615.71 : x
  2. Step 2: Convert to fraction form
    7,543.56/11,315.32 = 4,615.71/x
  3. Step 3: Cross multiply
    7,543.56x = 11,315.32 × 4,615.71
  4. Step 4: Simplify right side
    7,543.56x = 52,228,235.68
  5. Step 5: Solve for x
    x = 52,228,235.68/7,543.56
  6. Step 6: Final answer
    x = 6,923.55

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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.