Home / 10,317.58-15,493.29-9,791.71

Finding the Fourth Proportional to 10,317.58, 15,493.29 and 9,791.71

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Solution

The fourth proportional to 10,317.58, 15,493.29 and 9,791.71 is: 14,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.58 : 15,493.29 = 9,791.71 : x
  2. Step 2: Convert to fraction form
    10,317.58/15,493.29 = 9,791.71/x
  3. Step 3: Cross multiply
    10,317.58x = 15,493.29 × 9,791.71
  4. Step 4: Simplify right side
    10,317.58x = 151,705,802.63
  5. Step 5: Solve for x
    x = 151,705,802.63/10,317.58
  6. Step 6: Final answer
    x = 14,703.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.