Home / 12,560.24-17,333-6,971.28

Finding the Fourth Proportional to 12,560.24, 17,333 and 6,971.28

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Solution

The fourth proportional to 12,560.24, 17,333 and 6,971.28 is: 9,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.24 : 17,333 = 6,971.28 : x
  2. Step 2: Convert to fraction form
    12,560.24/17,333 = 6,971.28/x
  3. Step 3: Cross multiply
    12,560.24x = 17,333 × 6,971.28
  4. Step 4: Simplify right side
    12,560.24x = 120,833,196.24
  5. Step 5: Solve for x
    x = 120,833,196.24/12,560.24
  6. Step 6: Final answer
    x = 9,620.29

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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.