Home / 8,725.77-12,043.35-5,188.32

Finding the Fourth Proportional to 8,725.77, 12,043.35 and 5,188.32

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Solution

The fourth proportional to 8,725.77, 12,043.35 and 5,188.32 is: 7,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.77 : 12,043.35 = 5,188.32 : x
  2. Step 2: Convert to fraction form
    8,725.77/12,043.35 = 5,188.32/x
  3. Step 3: Cross multiply
    8,725.77x = 12,043.35 × 5,188.32
  4. Step 4: Simplify right side
    8,725.77x = 62,484,753.67
  5. Step 5: Solve for x
    x = 62,484,753.67/8,725.77
  6. Step 6: Final answer
    x = 7,160.94

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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.