Home / 7,590.08-11,372.16-4,121.12

Finding the Fourth Proportional to 7,590.08, 11,372.16 and 4,121.12

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Solution

The fourth proportional to 7,590.08, 11,372.16 and 4,121.12 is: 6,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.08 : 11,372.16 = 4,121.12 : x
  2. Step 2: Convert to fraction form
    7,590.08/11,372.16 = 4,121.12/x
  3. Step 3: Cross multiply
    7,590.08x = 11,372.16 × 4,121.12
  4. Step 4: Simplify right side
    7,590.08x = 46,866,036.02
  5. Step 5: Solve for x
    x = 46,866,036.02/7,590.08
  6. Step 6: Final answer
    x = 6,174.64

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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.