Home / 7,650.12-11,479.13-3,266.40

Finding the Fourth Proportional to 7,650.12, 11,479.13 and 3,266.40

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Solution

The fourth proportional to 7,650.12, 11,479.13 and 3,266.40 is: 4,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.12 : 11,479.13 = 3,266.40 : x
  2. Step 2: Convert to fraction form
    7,650.12/11,479.13 = 3,266.40/x
  3. Step 3: Cross multiply
    7,650.12x = 11,479.13 × 3,266.40
  4. Step 4: Simplify right side
    7,650.12x = 37,495,430.23
  5. Step 5: Solve for x
    x = 37,495,430.23/7,650.12
  6. Step 6: Final answer
    x = 4,901.29

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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.