Home / 8,948.90-12,358.67-6,707.23

Finding the Fourth Proportional to 8,948.90, 12,358.67 and 6,707.23

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Solution

The fourth proportional to 8,948.90, 12,358.67 and 6,707.23 is: 9,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.90 : 12,358.67 = 6,707.23 : x
  2. Step 2: Convert to fraction form
    8,948.90/12,358.67 = 6,707.23/x
  3. Step 3: Cross multiply
    8,948.90x = 12,358.67 × 6,707.23
  4. Step 4: Simplify right side
    8,948.90x = 82,892,428.06
  5. Step 5: Solve for x
    x = 82,892,428.06/8,948.90
  6. Step 6: Final answer
    x = 9,262.86

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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.