Home / 7,051.41-9,708.75-5,987.07

Finding the Fourth Proportional to 7,051.41, 9,708.75 and 5,987.07

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Solution

The fourth proportional to 7,051.41, 9,708.75 and 5,987.07 is: 8,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.41 : 9,708.75 = 5,987.07 : x
  2. Step 2: Convert to fraction form
    7,051.41/9,708.75 = 5,987.07/x
  3. Step 3: Cross multiply
    7,051.41x = 9,708.75 × 5,987.07
  4. Step 4: Simplify right side
    7,051.41x = 58,126,965.86
  5. Step 5: Solve for x
    x = 58,126,965.86/7,051.41
  6. Step 6: Final answer
    x = 8,243.31

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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.