Home / 8,772.37-12,113.95-5,634.02

Finding the Fourth Proportional to 8,772.37, 12,113.95 and 5,634.02

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Solution

The fourth proportional to 8,772.37, 12,113.95 and 5,634.02 is: 7,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.37 : 12,113.95 = 5,634.02 : x
  2. Step 2: Convert to fraction form
    8,772.37/12,113.95 = 5,634.02/x
  3. Step 3: Cross multiply
    8,772.37x = 12,113.95 × 5,634.02
  4. Step 4: Simplify right side
    8,772.37x = 68,250,236.58
  5. Step 5: Solve for x
    x = 68,250,236.58/8,772.37
  6. Step 6: Final answer
    x = 7,780.14

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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.