Home / 9,417.67-14,127.62-3,178.31

Finding the Fourth Proportional to 9,417.67, 14,127.62 and 3,178.31

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Solution

The fourth proportional to 9,417.67, 14,127.62 and 3,178.31 is: 4,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.67 : 14,127.62 = 3,178.31 : x
  2. Step 2: Convert to fraction form
    9,417.67/14,127.62 = 3,178.31/x
  3. Step 3: Cross multiply
    9,417.67x = 14,127.62 × 3,178.31
  4. Step 4: Simplify right side
    9,417.67x = 44,901,869.39
  5. Step 5: Solve for x
    x = 44,901,869.39/9,417.67
  6. Step 6: Final answer
    x = 4,767.83

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1.5x scale

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.