Home / 11,885.48-16,401.99-6,581.10

Finding the Fourth Proportional to 11,885.48, 16,401.99 and 6,581.10

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Solution

The fourth proportional to 11,885.48, 16,401.99 and 6,581.10 is: 9,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.48 : 16,401.99 = 6,581.10 : x
  2. Step 2: Convert to fraction form
    11,885.48/16,401.99 = 6,581.10/x
  3. Step 3: Cross multiply
    11,885.48x = 16,401.99 × 6,581.10
  4. Step 4: Simplify right side
    11,885.48x = 107,943,130.31
  5. Step 5: Solve for x
    x = 107,943,130.31/11,885.48
  6. Step 6: Final answer
    x = 9,081.93

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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.