Home / 10,049.72-13,875.12-6,466.28

Finding the Fourth Proportional to 10,049.72, 13,875.12 and 6,466.28

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Solution

The fourth proportional to 10,049.72, 13,875.12 and 6,466.28 is: 8,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.72 : 13,875.12 = 6,466.28 : x
  2. Step 2: Convert to fraction form
    10,049.72/13,875.12 = 6,466.28/x
  3. Step 3: Cross multiply
    10,049.72x = 13,875.12 × 6,466.28
  4. Step 4: Simplify right side
    10,049.72x = 89,720,410.95
  5. Step 5: Solve for x
    x = 89,720,410.95/10,049.72
  6. Step 6: Final answer
    x = 8,927.65

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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.