Home / 6,985.20-10,480.12-5,953.04

Finding the Fourth Proportional to 6,985.20, 10,480.12 and 5,953.04

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Solution

The fourth proportional to 6,985.20, 10,480.12 and 5,953.04 is: 8,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.20 : 10,480.12 = 5,953.04 : x
  2. Step 2: Convert to fraction form
    6,985.20/10,480.12 = 5,953.04/x
  3. Step 3: Cross multiply
    6,985.20x = 10,480.12 × 5,953.04
  4. Step 4: Simplify right side
    6,985.20x = 62,388,573.56
  5. Step 5: Solve for x
    x = 62,388,573.56/6,985.20
  6. Step 6: Final answer
    x = 8,931.54

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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.