Home / 10,367.79-14,305.77-9,842.37

Finding the Fourth Proportional to 10,367.79, 14,305.77 and 9,842.37

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Solution

The fourth proportional to 10,367.79, 14,305.77 and 9,842.37 is: 13,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.79 : 14,305.77 = 9,842.37 : x
  2. Step 2: Convert to fraction form
    10,367.79/14,305.77 = 9,842.37/x
  3. Step 3: Cross multiply
    10,367.79x = 14,305.77 × 9,842.37
  4. Step 4: Simplify right side
    10,367.79x = 140,802,681.47
  5. Step 5: Solve for x
    x = 140,802,681.47/10,367.79
  6. Step 6: Final answer
    x = 13,580.78

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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.