Home / 11,618.12-16,032.98-6,312.94

Finding the Fourth Proportional to 11,618.12, 16,032.98 and 6,312.94

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Solution

The fourth proportional to 11,618.12, 16,032.98 and 6,312.94 is: 8,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.12 : 16,032.98 = 6,312.94 : x
  2. Step 2: Convert to fraction form
    11,618.12/16,032.98 = 6,312.94/x
  3. Step 3: Cross multiply
    11,618.12x = 16,032.98 × 6,312.94
  4. Step 4: Simplify right side
    11,618.12x = 101,215,240.76
  5. Step 5: Solve for x
    x = 101,215,240.76/11,618.12
  6. Step 6: Final answer
    x = 8,711.84

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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.