Home / 10,865.94-14,995.32-6,150.12

Finding the Fourth Proportional to 10,865.94, 14,995.32 and 6,150.12

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Solution

The fourth proportional to 10,865.94, 14,995.32 and 6,150.12 is: 8,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.94 : 14,995.32 = 6,150.12 : x
  2. Step 2: Convert to fraction form
    10,865.94/14,995.32 = 6,150.12/x
  3. Step 3: Cross multiply
    10,865.94x = 14,995.32 × 6,150.12
  4. Step 4: Simplify right side
    10,865.94x = 92,223,017.44
  5. Step 5: Solve for x
    x = 92,223,017.44/10,865.94
  6. Step 6: Final answer
    x = 8,487.35

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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.