Home / 10,948.98-15,109.64-6,168.98

Finding the Fourth Proportional to 10,948.98, 15,109.64 and 6,168.98

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Solution

The fourth proportional to 10,948.98, 15,109.64 and 6,168.98 is: 8,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.98 : 15,109.64 = 6,168.98 : x
  2. Step 2: Convert to fraction form
    10,948.98/15,109.64 = 6,168.98/x
  3. Step 3: Cross multiply
    10,948.98x = 15,109.64 × 6,168.98
  4. Step 4: Simplify right side
    10,948.98x = 93,210,960.57
  5. Step 5: Solve for x
    x = 93,210,960.57/10,948.98
  6. Step 6: Final answer
    x = 8,513.21

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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.