Home / 11,823.48-16,317.54-7,107.66

Finding the Fourth Proportional to 11,823.48, 16,317.54 and 7,107.66

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Solution

The fourth proportional to 11,823.48, 16,317.54 and 7,107.66 is: 9,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.48 : 16,317.54 = 7,107.66 : x
  2. Step 2: Convert to fraction form
    11,823.48/16,317.54 = 7,107.66/x
  3. Step 3: Cross multiply
    11,823.48x = 16,317.54 × 7,107.66
  4. Step 4: Simplify right side
    11,823.48x = 115,979,526.36
  5. Step 5: Solve for x
    x = 115,979,526.36/11,823.48
  6. Step 6: Final answer
    x = 9,809.25

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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.