Home / 11,763.45-16,233.75-6,458.76

Finding the Fourth Proportional to 11,763.45, 16,233.75 and 6,458.76

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Solution

The fourth proportional to 11,763.45, 16,233.75 and 6,458.76 is: 8,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.45 : 16,233.75 = 6,458.76 : x
  2. Step 2: Convert to fraction form
    11,763.45/16,233.75 = 6,458.76/x
  3. Step 3: Cross multiply
    11,763.45x = 16,233.75 × 6,458.76
  4. Step 4: Simplify right side
    11,763.45x = 104,849,895.15
  5. Step 5: Solve for x
    x = 104,849,895.15/11,763.45
  6. Step 6: Final answer
    x = 8,913.19

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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.