Home / 11,329.11-15,636.67-6,295.06

Finding the Fourth Proportional to 11,329.11, 15,636.67 and 6,295.06

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Solution

The fourth proportional to 11,329.11, 15,636.67 and 6,295.06 is: 8,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.11 : 15,636.67 = 6,295.06 : x
  2. Step 2: Convert to fraction form
    11,329.11/15,636.67 = 6,295.06/x
  3. Step 3: Cross multiply
    11,329.11x = 15,636.67 × 6,295.06
  4. Step 4: Simplify right side
    11,329.11x = 98,433,721.02
  5. Step 5: Solve for x
    x = 98,433,721.02/11,329.11
  6. Step 6: Final answer
    x = 8,688.57

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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.