Home / 11,621.77-16,038.15-6,316.59

Finding the Fourth Proportional to 11,621.77, 16,038.15 and 6,316.59

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Solution

The fourth proportional to 11,621.77, 16,038.15 and 6,316.59 is: 8,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.77 : 16,038.15 = 6,316.59 : x
  2. Step 2: Convert to fraction form
    11,621.77/16,038.15 = 6,316.59/x
  3. Step 3: Cross multiply
    11,621.77x = 16,038.15 × 6,316.59
  4. Step 4: Simplify right side
    11,621.77x = 101,306,417.91
  5. Step 5: Solve for x
    x = 101,306,417.91/11,621.77
  6. Step 6: Final answer
    x = 8,716.95

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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.