Home / 11,464.15-15,823.33-6,990.36

Finding the Fourth Proportional to 11,464.15, 15,823.33 and 6,990.36

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Solution

The fourth proportional to 11,464.15, 15,823.33 and 6,990.36 is: 9,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.15 : 15,823.33 = 6,990.36 : x
  2. Step 2: Convert to fraction form
    11,464.15/15,823.33 = 6,990.36/x
  3. Step 3: Cross multiply
    11,464.15x = 15,823.33 × 6,990.36
  4. Step 4: Simplify right side
    11,464.15x = 110,610,773.10
  5. Step 5: Solve for x
    x = 110,610,773.10/11,464.15
  6. Step 6: Final answer
    x = 9,648.41

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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.