Home / 10,089.48-13,930.35-6,314.18

Finding the Fourth Proportional to 10,089.48, 13,930.35 and 6,314.18

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Solution

The fourth proportional to 10,089.48, 13,930.35 and 6,314.18 is: 8,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.48 : 13,930.35 = 6,314.18 : x
  2. Step 2: Convert to fraction form
    10,089.48/13,930.35 = 6,314.18/x
  3. Step 3: Cross multiply
    10,089.48x = 13,930.35 × 6,314.18
  4. Step 4: Simplify right side
    10,089.48x = 87,958,644.03
  5. Step 5: Solve for x
    x = 87,958,644.03/10,089.48
  6. Step 6: Final answer
    x = 8,717.85

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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.