Home / 9,507.15-13,119.79-5,474.77

Finding the Fourth Proportional to 9,507.15, 13,119.79 and 5,474.77

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Solution

The fourth proportional to 9,507.15, 13,119.79 and 5,474.77 is: 7,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.15 : 13,119.79 = 5,474.77 : x
  2. Step 2: Convert to fraction form
    9,507.15/13,119.79 = 5,474.77/x
  3. Step 3: Cross multiply
    9,507.15x = 13,119.79 × 5,474.77
  4. Step 4: Simplify right side
    9,507.15x = 71,827,832.70
  5. Step 5: Solve for x
    x = 71,827,832.70/9,507.15
  6. Step 6: Final answer
    x = 7,555.14

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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.