Home / 7,555.74-11,320.80-4,627.92

Finding the Fourth Proportional to 7,555.74, 11,320.80 and 4,627.92

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Solution

The fourth proportional to 7,555.74, 11,320.80 and 4,627.92 is: 6,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.74 : 11,320.80 = 4,627.92 : x
  2. Step 2: Convert to fraction form
    7,555.74/11,320.80 = 4,627.92/x
  3. Step 3: Cross multiply
    7,555.74x = 11,320.80 × 4,627.92
  4. Step 4: Simplify right side
    7,555.74x = 52,391,756.74
  5. Step 5: Solve for x
    x = 52,391,756.74/7,555.74
  6. Step 6: Final answer
    x = 6,934.03

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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.