Home / 11,130.46-16,703.69-4,377.08

Finding the Fourth Proportional to 11,130.46, 16,703.69 and 4,377.08

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Solution

The fourth proportional to 11,130.46, 16,703.69 and 4,377.08 is: 6,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.46 : 16,703.69 = 4,377.08 : x
  2. Step 2: Convert to fraction form
    11,130.46/16,703.69 = 4,377.08/x
  3. Step 3: Cross multiply
    11,130.46x = 16,703.69 × 4,377.08
  4. Step 4: Simplify right side
    11,130.46x = 73,113,282.02
  5. Step 5: Solve for x
    x = 73,113,282.02/11,130.46
  6. Step 6: Final answer
    x = 6,568.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.