Home / 9,885.18-13,645.01-6,111.24

Finding the Fourth Proportional to 9,885.18, 13,645.01 and 6,111.24

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Solution

The fourth proportional to 9,885.18, 13,645.01 and 6,111.24 is: 8,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.18 : 13,645.01 = 6,111.24 : x
  2. Step 2: Convert to fraction form
    9,885.18/13,645.01 = 6,111.24/x
  3. Step 3: Cross multiply
    9,885.18x = 13,645.01 × 6,111.24
  4. Step 4: Simplify right side
    9,885.18x = 83,387,900.36
  5. Step 5: Solve for x
    x = 83,387,900.36/9,885.18
  6. Step 6: Final answer
    x = 8,435.65

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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.