Home / 8,051.76-11,117.70-5,542.16

Finding the Fourth Proportional to 8,051.76, 11,117.70 and 5,542.16

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Solution

The fourth proportional to 8,051.76, 11,117.70 and 5,542.16 is: 7,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.76 : 11,117.70 = 5,542.16 : x
  2. Step 2: Convert to fraction form
    8,051.76/11,117.70 = 5,542.16/x
  3. Step 3: Cross multiply
    8,051.76x = 11,117.70 × 5,542.16
  4. Step 4: Simplify right side
    8,051.76x = 61,616,016.64
  5. Step 5: Solve for x
    x = 61,616,016.64/8,051.76
  6. Step 6: Final answer
    x = 7,652.49

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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.