Home / 10,197.12-14,064.48-6,612.96

Finding the Fourth Proportional to 10,197.12, 14,064.48 and 6,612.96

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Solution

The fourth proportional to 10,197.12, 14,064.48 and 6,612.96 is: 9,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.12 : 14,064.48 = 6,612.96 : x
  2. Step 2: Convert to fraction form
    10,197.12/14,064.48 = 6,612.96/x
  3. Step 3: Cross multiply
    10,197.12x = 14,064.48 × 6,612.96
  4. Step 4: Simplify right side
    10,197.12x = 93,007,843.66
  5. Step 5: Solve for x
    x = 93,007,843.66/10,197.12
  6. Step 6: Final answer
    x = 9,120.99

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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.