Home / 11,417.19-17,117.73-4,391.30

Finding the Fourth Proportional to 11,417.19, 17,117.73 and 4,391.30

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Solution

The fourth proportional to 11,417.19, 17,117.73 and 4,391.30 is: 6,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.19 : 17,117.73 = 4,391.30 : x
  2. Step 2: Convert to fraction form
    11,417.19/17,117.73 = 4,391.30/x
  3. Step 3: Cross multiply
    11,417.19x = 17,117.73 × 4,391.30
  4. Step 4: Simplify right side
    11,417.19x = 75,169,002.16
  5. Step 5: Solve for x
    x = 75,169,002.16/11,417.19
  6. Step 6: Final answer
    x = 6,583.84

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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.