Home / 8,328.30-11,493.51-4,551.81

Finding the Fourth Proportional to 8,328.30, 11,493.51 and 4,551.81

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Solution

The fourth proportional to 8,328.30, 11,493.51 and 4,551.81 is: 6,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.30 : 11,493.51 = 4,551.81 : x
  2. Step 2: Convert to fraction form
    8,328.30/11,493.51 = 4,551.81/x
  3. Step 3: Cross multiply
    8,328.30x = 11,493.51 × 4,551.81
  4. Step 4: Simplify right side
    8,328.30x = 52,316,273.75
  5. Step 5: Solve for x
    x = 52,316,273.75/8,328.30
  6. Step 6: Final answer
    x = 6,281.75

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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.