Home / 9,516.15-13,133.34-5,539.47

Finding the Fourth Proportional to 9,516.15, 13,133.34 and 5,539.47

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Solution

The fourth proportional to 9,516.15, 13,133.34 and 5,539.47 is: 7,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.15 : 13,133.34 = 5,539.47 : x
  2. Step 2: Convert to fraction form
    9,516.15/13,133.34 = 5,539.47/x
  3. Step 3: Cross multiply
    9,516.15x = 13,133.34 × 5,539.47
  4. Step 4: Simplify right side
    9,516.15x = 72,751,742.93
  5. Step 5: Solve for x
    x = 72,751,742.93/9,516.15
  6. Step 6: Final answer
    x = 7,645.08

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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.