Home / 8,957.22-13,436.10-4,277.72

Finding the Fourth Proportional to 8,957.22, 13,436.10 and 4,277.72

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Solution

The fourth proportional to 8,957.22, 13,436.10 and 4,277.72 is: 6,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.22 : 13,436.10 = 4,277.72 : x
  2. Step 2: Convert to fraction form
    8,957.22/13,436.10 = 4,277.72/x
  3. Step 3: Cross multiply
    8,957.22x = 13,436.10 × 4,277.72
  4. Step 4: Simplify right side
    8,957.22x = 57,475,907.28
  5. Step 5: Solve for x
    x = 57,475,907.28/8,957.22
  6. Step 6: Final answer
    x = 6,416.72

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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.