Home / 7,500.12-10,348.30-4,515.32

Finding the Fourth Proportional to 7,500.12, 10,348.30 and 4,515.32

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Solution

The fourth proportional to 7,500.12, 10,348.30 and 4,515.32 is: 6,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.12 : 10,348.30 = 4,515.32 : x
  2. Step 2: Convert to fraction form
    7,500.12/10,348.30 = 4,515.32/x
  3. Step 3: Cross multiply
    7,500.12x = 10,348.30 × 4,515.32
  4. Step 4: Simplify right side
    7,500.12x = 46,725,885.96
  5. Step 5: Solve for x
    x = 46,725,885.96/7,500.12
  6. Step 6: Final answer
    x = 6,230.02

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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.