Home / 6,962.85-10,422.41-5,197.32

Finding the Fourth Proportional to 6,962.85, 10,422.41 and 5,197.32

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Solution

The fourth proportional to 6,962.85, 10,422.41 and 5,197.32 is: 7,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.85 : 10,422.41 = 5,197.32 : x
  2. Step 2: Convert to fraction form
    6,962.85/10,422.41 = 5,197.32/x
  3. Step 3: Cross multiply
    6,962.85x = 10,422.41 × 5,197.32
  4. Step 4: Simplify right side
    6,962.85x = 54,168,573.95
  5. Step 5: Solve for x
    x = 54,168,573.95/6,962.85
  6. Step 6: Final answer
    x = 7,779.66

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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.