Home / 8,051.72-11,116.14-5,070.11

Finding the Fourth Proportional to 8,051.72, 11,116.14 and 5,070.11

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Solution

The fourth proportional to 8,051.72, 11,116.14 and 5,070.11 is: 6,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.72 : 11,116.14 = 5,070.11 : x
  2. Step 2: Convert to fraction form
    8,051.72/11,116.14 = 5,070.11/x
  3. Step 3: Cross multiply
    8,051.72x = 11,116.14 × 5,070.11
  4. Step 4: Simplify right side
    8,051.72x = 56,360,052.58
  5. Step 5: Solve for x
    x = 56,360,052.58/8,051.72
  6. Step 6: Final answer
    x = 6,999.75

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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.