Home / 7,987.61-11,014.29-5,596.82

Finding the Fourth Proportional to 7,987.61, 11,014.29 and 5,596.82

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Solution

The fourth proportional to 7,987.61, 11,014.29 and 5,596.82 is: 7,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.61 : 11,014.29 = 5,596.82 : x
  2. Step 2: Convert to fraction form
    7,987.61/11,014.29 = 5,596.82/x
  3. Step 3: Cross multiply
    7,987.61x = 11,014.29 × 5,596.82
  4. Step 4: Simplify right side
    7,987.61x = 61,644,943.49
  5. Step 5: Solve for x
    x = 61,644,943.49/7,987.61
  6. Step 6: Final answer
    x = 7,717.58

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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.