Home / 10,880.95-15,015.43-6,165.23

Finding the Fourth Proportional to 10,880.95, 15,015.43 and 6,165.23

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Solution

The fourth proportional to 10,880.95, 15,015.43 and 6,165.23 is: 8,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.95 : 15,015.43 = 6,165.23 : x
  2. Step 2: Convert to fraction form
    10,880.95/15,015.43 = 6,165.23/x
  3. Step 3: Cross multiply
    10,880.95x = 15,015.43 × 6,165.23
  4. Step 4: Simplify right side
    10,880.95x = 92,573,548.67
  5. Step 5: Solve for x
    x = 92,573,548.67/10,880.95
  6. Step 6: Final answer
    x = 8,507.86

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Double scale
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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.