Home / 8,051.52-11,110.80-4,694.40

Finding the Fourth Proportional to 8,051.52, 11,110.80 and 4,694.40

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Solution

The fourth proportional to 8,051.52, 11,110.80 and 4,694.40 is: 6,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.52 : 11,110.80 = 4,694.40 : x
  2. Step 2: Convert to fraction form
    8,051.52/11,110.80 = 4,694.40/x
  3. Step 3: Cross multiply
    8,051.52x = 11,110.80 × 4,694.40
  4. Step 4: Simplify right side
    8,051.52x = 52,158,539.52
  5. Step 5: Solve for x
    x = 52,158,539.52/8,051.52
  6. Step 6: Final answer
    x = 6,478.10

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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.