Home / 10,116.81-13,960.85-6,342.01

Finding the Fourth Proportional to 10,116.81, 13,960.85 and 6,342.01

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Solution

The fourth proportional to 10,116.81, 13,960.85 and 6,342.01 is: 8,751.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.81 : 13,960.85 = 6,342.01 : x
  2. Step 2: Convert to fraction form
    10,116.81/13,960.85 = 6,342.01/x
  3. Step 3: Cross multiply
    10,116.81x = 13,960.85 × 6,342.01
  4. Step 4: Simplify right side
    10,116.81x = 88,539,783.70
  5. Step 5: Solve for x
    x = 88,539,783.70/10,116.81
  6. Step 6: Final answer
    x = 8,751.75

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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.