Home / 10,691.06-14,740.16-6,907.82

Finding the Fourth Proportional to 10,691.06, 14,740.16 and 6,907.82

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Solution

The fourth proportional to 10,691.06, 14,740.16 and 6,907.82 is: 9,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.06 : 14,740.16 = 6,907.82 : x
  2. Step 2: Convert to fraction form
    10,691.06/14,740.16 = 6,907.82/x
  3. Step 3: Cross multiply
    10,691.06x = 14,740.16 × 6,907.82
  4. Step 4: Simplify right side
    10,691.06x = 101,822,372.05
  5. Step 5: Solve for x
    x = 101,822,372.05/10,691.06
  6. Step 6: Final answer
    x = 9,524.07

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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.