Home / 12,115.37-16,719.04-6,737.75

Finding the Fourth Proportional to 12,115.37, 16,719.04 and 6,737.75

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Solution

The fourth proportional to 12,115.37, 16,719.04 and 6,737.75 is: 9,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.37 : 16,719.04 = 6,737.75 : x
  2. Step 2: Convert to fraction form
    12,115.37/16,719.04 = 6,737.75/x
  3. Step 3: Cross multiply
    12,115.37x = 16,719.04 × 6,737.75
  4. Step 4: Simplify right side
    12,115.37x = 112,648,699.28
  5. Step 5: Solve for x
    x = 112,648,699.28/12,115.37
  6. Step 6: Final answer
    x = 9,298.00

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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.