Home / 9,695.12-13,381.44-6,157.68

Finding the Fourth Proportional to 9,695.12, 13,381.44 and 6,157.68

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Solution

The fourth proportional to 9,695.12, 13,381.44 and 6,157.68 is: 8,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.12 : 13,381.44 = 6,157.68 : x
  2. Step 2: Convert to fraction form
    9,695.12/13,381.44 = 6,157.68/x
  3. Step 3: Cross multiply
    9,695.12x = 13,381.44 × 6,157.68
  4. Step 4: Simplify right side
    9,695.12x = 82,398,625.46
  5. Step 5: Solve for x
    x = 82,398,625.46/9,695.12
  6. Step 6: Final answer
    x = 8,498.98

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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.