Home / 7,482.30-11,223.56-3,585.80

Finding the Fourth Proportional to 7,482.30, 11,223.56 and 3,585.80

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Solution

The fourth proportional to 7,482.30, 11,223.56 and 3,585.80 is: 5,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.30 : 11,223.56 = 3,585.80 : x
  2. Step 2: Convert to fraction form
    7,482.30/11,223.56 = 3,585.80/x
  3. Step 3: Cross multiply
    7,482.30x = 11,223.56 × 3,585.80
  4. Step 4: Simplify right side
    7,482.30x = 40,245,367.40
  5. Step 5: Solve for x
    x = 40,245,367.40/7,482.30
  6. Step 6: Final answer
    x = 5,378.74

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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.