Home / 11,356.48-15,673.23-6,880.15

Finding the Fourth Proportional to 11,356.48, 15,673.23 and 6,880.15

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Solution

The fourth proportional to 11,356.48, 15,673.23 and 6,880.15 is: 9,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.48 : 15,673.23 = 6,880.15 : x
  2. Step 2: Convert to fraction form
    11,356.48/15,673.23 = 6,880.15/x
  3. Step 3: Cross multiply
    11,356.48x = 15,673.23 × 6,880.15
  4. Step 4: Simplify right side
    11,356.48x = 107,834,173.38
  5. Step 5: Solve for x
    x = 107,834,173.38/11,356.48
  6. Step 6: Final answer
    x = 9,495.39

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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.