Home / 8,560.13-12,822.50-5,039.28

Finding the Fourth Proportional to 8,560.13, 12,822.50 and 5,039.28

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Solution

The fourth proportional to 8,560.13, 12,822.50 and 5,039.28 is: 7,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.13 : 12,822.50 = 5,039.28 : x
  2. Step 2: Convert to fraction form
    8,560.13/12,822.50 = 5,039.28/x
  3. Step 3: Cross multiply
    8,560.13x = 12,822.50 × 5,039.28
  4. Step 4: Simplify right side
    8,560.13x = 64,616,194.99
  5. Step 5: Solve for x
    x = 64,616,194.99/8,560.13
  6. Step 6: Final answer
    x = 7,548.51

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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.