Home / 9,823.86-13,556.75-5,347.71

Finding the Fourth Proportional to 9,823.86, 13,556.75 and 5,347.71

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Solution

The fourth proportional to 9,823.86, 13,556.75 and 5,347.71 is: 7,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.86 : 13,556.75 = 5,347.71 : x
  2. Step 2: Convert to fraction form
    9,823.86/13,556.75 = 5,347.71/x
  3. Step 3: Cross multiply
    9,823.86x = 13,556.75 × 5,347.71
  4. Step 4: Simplify right side
    9,823.86x = 72,497,540.80
  5. Step 5: Solve for x
    x = 72,497,540.80/9,823.86
  6. Step 6: Final answer
    x = 7,379.74

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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.