Home / 11,985.24-16,540.02-6,681.18

Finding the Fourth Proportional to 11,985.24, 16,540.02 and 6,681.18

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Solution

The fourth proportional to 11,985.24, 16,540.02 and 6,681.18 is: 9,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.24 : 16,540.02 = 6,681.18 : x
  2. Step 2: Convert to fraction form
    11,985.24/16,540.02 = 6,681.18/x
  3. Step 3: Cross multiply
    11,985.24x = 16,540.02 × 6,681.18
  4. Step 4: Simplify right side
    11,985.24x = 110,506,850.82
  5. Step 5: Solve for x
    x = 110,506,850.82/11,985.24
  6. Step 6: Final answer
    x = 9,220.25

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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.