Home / 11,380.74-17,071.10-3,590.16

Finding the Fourth Proportional to 11,380.74, 17,071.10 and 3,590.16

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Solution

The fourth proportional to 11,380.74, 17,071.10 and 3,590.16 is: 5,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.74 : 17,071.10 = 3,590.16 : x
  2. Step 2: Convert to fraction form
    11,380.74/17,071.10 = 3,590.16/x
  3. Step 3: Cross multiply
    11,380.74x = 17,071.10 × 3,590.16
  4. Step 4: Simplify right side
    11,380.74x = 61,287,980.38
  5. Step 5: Solve for x
    x = 61,287,980.38/11,380.74
  6. Step 6: Final answer
    x = 5,385.24

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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.