Home / 8,123.98-11,210.84-4,766.72

Finding the Fourth Proportional to 8,123.98, 11,210.84 and 4,766.72

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Solution

The fourth proportional to 8,123.98, 11,210.84 and 4,766.72 is: 6,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.98 : 11,210.84 = 4,766.72 : x
  2. Step 2: Convert to fraction form
    8,123.98/11,210.84 = 4,766.72/x
  3. Step 3: Cross multiply
    8,123.98x = 11,210.84 × 4,766.72
  4. Step 4: Simplify right side
    8,123.98x = 53,438,935.24
  5. Step 5: Solve for x
    x = 53,438,935.24/8,123.98
  6. Step 6: Final answer
    x = 6,577.93

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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.