Home / 11,823.59-16,317.38-6,788.63

Finding the Fourth Proportional to 11,823.59, 16,317.38 and 6,788.63

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Solution

The fourth proportional to 11,823.59, 16,317.38 and 6,788.63 is: 9,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.59 : 16,317.38 = 6,788.63 : x
  2. Step 2: Convert to fraction form
    11,823.59/16,317.38 = 6,788.63/x
  3. Step 3: Cross multiply
    11,823.59x = 16,317.38 × 6,788.63
  4. Step 4: Simplify right side
    11,823.59x = 110,772,590.77
  5. Step 5: Solve for x
    x = 110,772,590.77/11,823.59
  6. Step 6: Final answer
    x = 9,368.78

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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.