Home / 10,821.08-14,932.08-6,282.55

Finding the Fourth Proportional to 10,821.08, 14,932.08 and 6,282.55

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Solution

The fourth proportional to 10,821.08, 14,932.08 and 6,282.55 is: 8,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.08 : 14,932.08 = 6,282.55 : x
  2. Step 2: Convert to fraction form
    10,821.08/14,932.08 = 6,282.55/x
  3. Step 3: Cross multiply
    10,821.08x = 14,932.08 × 6,282.55
  4. Step 4: Simplify right side
    10,821.08x = 93,811,557.87
  5. Step 5: Solve for x
    x = 93,811,557.87/10,821.08
  6. Step 6: Final answer
    x = 8,669.33

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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.