Home / 11,590.08-15,990.12-7,613.34

Finding the Fourth Proportional to 11,590.08, 15,990.12 and 7,613.34

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Solution

The fourth proportional to 11,590.08, 15,990.12 and 7,613.34 is: 10,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.08 : 15,990.12 = 7,613.34 : x
  2. Step 2: Convert to fraction form
    11,590.08/15,990.12 = 7,613.34/x
  3. Step 3: Cross multiply
    11,590.08x = 15,990.12 × 7,613.34
  4. Step 4: Simplify right side
    11,590.08x = 121,738,220.20
  5. Step 5: Solve for x
    x = 121,738,220.20/11,590.08
  6. Step 6: Final answer
    x = 10,503.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.