Home / 9,507.47-13,115.94-6,151.37

Finding the Fourth Proportional to 9,507.47, 13,115.94 and 6,151.37

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Solution

The fourth proportional to 9,507.47, 13,115.94 and 6,151.37 is: 8,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.47 : 13,115.94 = 6,151.37 : x
  2. Step 2: Convert to fraction form
    9,507.47/13,115.94 = 6,151.37/x
  3. Step 3: Cross multiply
    9,507.47x = 13,115.94 × 6,151.37
  4. Step 4: Simplify right side
    9,507.47x = 80,680,969.08
  5. Step 5: Solve for x
    x = 80,680,969.08/9,507.47
  6. Step 6: Final answer
    x = 8,486.07

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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.