Home / 11,108.14-15,329.86-6,328.33

Finding the Fourth Proportional to 11,108.14, 15,329.86 and 6,328.33

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Solution

The fourth proportional to 11,108.14, 15,329.86 and 6,328.33 is: 8,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.14 : 15,329.86 = 6,328.33 : x
  2. Step 2: Convert to fraction form
    11,108.14/15,329.86 = 6,328.33/x
  3. Step 3: Cross multiply
    11,108.14x = 15,329.86 × 6,328.33
  4. Step 4: Simplify right side
    11,108.14x = 97,012,358.79
  5. Step 5: Solve for x
    x = 97,012,358.79/11,108.14
  6. Step 6: Final answer
    x = 8,733.45

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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.