Home / 11,617.79-16,032.51-6,312.63

Finding the Fourth Proportional to 11,617.79, 16,032.51 and 6,312.63

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Solution

The fourth proportional to 11,617.79, 16,032.51 and 6,312.63 is: 8,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.79 : 16,032.51 = 6,312.63 : x
  2. Step 2: Convert to fraction form
    11,617.79/16,032.51 = 6,312.63/x
  3. Step 3: Cross multiply
    11,617.79x = 16,032.51 × 6,312.63
  4. Step 4: Simplify right side
    11,617.79x = 101,207,279.30
  5. Step 5: Solve for x
    x = 101,207,279.30/11,617.79
  6. Step 6: Final answer
    x = 8,711.41

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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.