Home / 10,587.44-15,934.35-7,968.51

Finding the Fourth Proportional to 10,587.44, 15,934.35 and 7,968.51

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Solution

The fourth proportional to 10,587.44, 15,934.35 and 7,968.51 is: 11,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.44 : 15,934.35 = 7,968.51 : x
  2. Step 2: Convert to fraction form
    10,587.44/15,934.35 = 7,968.51/x
  3. Step 3: Cross multiply
    10,587.44x = 15,934.35 × 7,968.51
  4. Step 4: Simplify right side
    10,587.44x = 126,973,027.32
  5. Step 5: Solve for x
    x = 126,973,027.32/10,587.44
  6. Step 6: Final answer
    x = 11,992.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.