Home / 10,734.18-14,818.74-8,338.80

Finding the Fourth Proportional to 10,734.18, 14,818.74 and 8,338.80

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Solution

The fourth proportional to 10,734.18, 14,818.74 and 8,338.80 is: 11,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,734.18 : 14,818.74 = 8,338.80 : x
  2. Step 2: Convert to fraction form
    10,734.18/14,818.74 = 8,338.80/x
  3. Step 3: Cross multiply
    10,734.18x = 14,818.74 × 8,338.80
  4. Step 4: Simplify right side
    10,734.18x = 123,570,509.11
  5. Step 5: Solve for x
    x = 123,570,509.11/10,734.18
  6. Step 6: Final answer
    x = 11,511.87

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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.