Home / 11,055.76-16,590.93-5,212.96

Finding the Fourth Proportional to 11,055.76, 16,590.93 and 5,212.96

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Solution

The fourth proportional to 11,055.76, 16,590.93 and 5,212.96 is: 7,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.76 : 16,590.93 = 5,212.96 : x
  2. Step 2: Convert to fraction form
    11,055.76/16,590.93 = 5,212.96/x
  3. Step 3: Cross multiply
    11,055.76x = 16,590.93 × 5,212.96
  4. Step 4: Simplify right side
    11,055.76x = 86,487,854.45
  5. Step 5: Solve for x
    x = 86,487,854.45/11,055.76
  6. Step 6: Final answer
    x = 7,822.88

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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.