Home / 8,948.49-13,425.57-6,980.86

Finding the Fourth Proportional to 8,948.49, 13,425.57 and 6,980.86

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Solution

The fourth proportional to 8,948.49, 13,425.57 and 6,980.86 is: 10,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.49 : 13,425.57 = 6,980.86 : x
  2. Step 2: Convert to fraction form
    8,948.49/13,425.57 = 6,980.86/x
  3. Step 3: Cross multiply
    8,948.49x = 13,425.57 × 6,980.86
  4. Step 4: Simplify right side
    8,948.49x = 93,722,024.59
  5. Step 5: Solve for x
    x = 93,722,024.59/8,948.49
  6. Step 6: Final answer
    x = 10,473.50

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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.