Home / 10,699.08-14,764.20-5,918.84

Finding the Fourth Proportional to 10,699.08, 14,764.20 and 5,918.84

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Solution

The fourth proportional to 10,699.08, 14,764.20 and 5,918.84 is: 8,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.08 : 14,764.20 = 5,918.84 : x
  2. Step 2: Convert to fraction form
    10,699.08/14,764.20 = 5,918.84/x
  3. Step 3: Cross multiply
    10,699.08x = 14,764.20 × 5,918.84
  4. Step 4: Simplify right side
    10,699.08x = 87,386,937.53
  5. Step 5: Solve for x
    x = 87,386,937.53/10,699.08
  6. Step 6: Final answer
    x = 8,167.71

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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.