Home / 9,117.40-13,676.10-5,834.20

Finding the Fourth Proportional to 9,117.40, 13,676.10 and 5,834.20

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Solution

The fourth proportional to 9,117.40, 13,676.10 and 5,834.20 is: 8,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.40 : 13,676.10 = 5,834.20 : x
  2. Step 2: Convert to fraction form
    9,117.40/13,676.10 = 5,834.20/x
  3. Step 3: Cross multiply
    9,117.40x = 13,676.10 × 5,834.20
  4. Step 4: Simplify right side
    9,117.40x = 79,789,102.62
  5. Step 5: Solve for x
    x = 79,789,102.62/9,117.40
  6. Step 6: Final answer
    x = 8,751.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.