Home / 7,823.18-10,797.91-5,309.48

Finding the Fourth Proportional to 7,823.18, 10,797.91 and 5,309.48

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Solution

The fourth proportional to 7,823.18, 10,797.91 and 5,309.48 is: 7,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.18 : 10,797.91 = 5,309.48 : x
  2. Step 2: Convert to fraction form
    7,823.18/10,797.91 = 5,309.48/x
  3. Step 3: Cross multiply
    7,823.18x = 10,797.91 × 5,309.48
  4. Step 4: Simplify right side
    7,823.18x = 57,331,300.91
  5. Step 5: Solve for x
    x = 57,331,300.91/7,823.18
  6. Step 6: Final answer
    x = 7,328.39

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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.