Home / 10,251.45-14,140.49-6,468.01

Finding the Fourth Proportional to 10,251.45, 14,140.49 and 6,468.01

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Solution

The fourth proportional to 10,251.45, 14,140.49 and 6,468.01 is: 8,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.45 : 14,140.49 = 6,468.01 : x
  2. Step 2: Convert to fraction form
    10,251.45/14,140.49 = 6,468.01/x
  3. Step 3: Cross multiply
    10,251.45x = 14,140.49 × 6,468.01
  4. Step 4: Simplify right side
    10,251.45x = 91,460,830.72
  5. Step 5: Solve for x
    x = 91,460,830.72/10,251.45
  6. Step 6: Final answer
    x = 8,921.75

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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.