Home / 11,617.47-16,032.45-6,312.63

Finding the Fourth Proportional to 11,617.47, 16,032.45 and 6,312.63

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Solution

The fourth proportional to 11,617.47, 16,032.45 and 6,312.63 is: 8,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.47 : 16,032.45 = 6,312.63 : x
  2. Step 2: Convert to fraction form
    11,617.47/16,032.45 = 6,312.63/x
  3. Step 3: Cross multiply
    11,617.47x = 16,032.45 × 6,312.63
  4. Step 4: Simplify right side
    11,617.47x = 101,206,924.84
  5. Step 5: Solve for x
    x = 101,206,924.84/11,617.47
  6. Step 6: Final answer
    x = 8,711.61

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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.