Home / 10,865.12-16,302.33-4,626.50

Finding the Fourth Proportional to 10,865.12, 16,302.33 and 4,626.50

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Solution

The fourth proportional to 10,865.12, 16,302.33 and 4,626.50 is: 6,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.12 : 16,302.33 = 4,626.50 : x
  2. Step 2: Convert to fraction form
    10,865.12/16,302.33 = 4,626.50/x
  3. Step 3: Cross multiply
    10,865.12x = 16,302.33 × 4,626.50
  4. Step 4: Simplify right side
    10,865.12x = 75,422,648.23
  5. Step 5: Solve for x
    x = 75,422,648.23/10,865.12
  6. Step 6: Final answer
    x = 6,941.73

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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.