Home / 10,356.25-15,607.26-9,370.39

Finding the Fourth Proportional to 10,356.25, 15,607.26 and 9,370.39

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Solution

The fourth proportional to 10,356.25, 15,607.26 and 9,370.39 is: 14,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.25 : 15,607.26 = 9,370.39 : x
  2. Step 2: Convert to fraction form
    10,356.25/15,607.26 = 9,370.39/x
  3. Step 3: Cross multiply
    10,356.25x = 15,607.26 × 9,370.39
  4. Step 4: Simplify right side
    10,356.25x = 146,246,113.03
  5. Step 5: Solve for x
    x = 146,246,113.03/10,356.25
  6. Step 6: Final answer
    x = 14,121.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.