Home / 12,560.20-17,333.94-6,971.20

Finding the Fourth Proportional to 12,560.20, 17,333.94 and 6,971.20

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Solution

The fourth proportional to 12,560.20, 17,333.94 and 6,971.20 is: 9,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.20 : 17,333.94 = 6,971.20 : x
  2. Step 2: Convert to fraction form
    12,560.20/17,333.94 = 6,971.20/x
  3. Step 3: Cross multiply
    12,560.20x = 17,333.94 × 6,971.20
  4. Step 4: Simplify right side
    12,560.20x = 120,838,362.53
  5. Step 5: Solve for x
    x = 120,838,362.53/12,560.20
  6. Step 6: Final answer
    x = 9,620.74

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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.