Home / 11,023.51-15,212.70-6,776.86

Finding the Fourth Proportional to 11,023.51, 15,212.70 and 6,776.86

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Solution

The fourth proportional to 11,023.51, 15,212.70 and 6,776.86 is: 9,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.51 : 15,212.70 = 6,776.86 : x
  2. Step 2: Convert to fraction form
    11,023.51/15,212.70 = 6,776.86/x
  3. Step 3: Cross multiply
    11,023.51x = 15,212.70 × 6,776.86
  4. Step 4: Simplify right side
    11,023.51x = 103,094,338.12
  5. Step 5: Solve for x
    x = 103,094,338.12/11,023.51
  6. Step 6: Final answer
    x = 9,352.22

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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.