Home / 9,515.93-13,144.53-7,305.12

Finding the Fourth Proportional to 9,515.93, 13,144.53 and 7,305.12

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Solution

The fourth proportional to 9,515.93, 13,144.53 and 7,305.12 is: 10,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.93 : 13,144.53 = 7,305.12 : x
  2. Step 2: Convert to fraction form
    9,515.93/13,144.53 = 7,305.12/x
  3. Step 3: Cross multiply
    9,515.93x = 13,144.53 × 7,305.12
  4. Step 4: Simplify right side
    9,515.93x = 96,022,401.85
  5. Step 5: Solve for x
    x = 96,022,401.85/9,515.93
  6. Step 6: Final answer
    x = 10,090.70

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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.