Home / 9,516.38-13,138.36-6,210.14

Finding the Fourth Proportional to 9,516.38, 13,138.36 and 6,210.14

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Solution

The fourth proportional to 9,516.38, 13,138.36 and 6,210.14 is: 8,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.38 : 13,138.36 = 6,210.14 : x
  2. Step 2: Convert to fraction form
    9,516.38/13,138.36 = 6,210.14/x
  3. Step 3: Cross multiply
    9,516.38x = 13,138.36 × 6,210.14
  4. Step 4: Simplify right side
    9,516.38x = 81,590,973.75
  5. Step 5: Solve for x
    x = 81,590,973.75/9,516.38
  6. Step 6: Final answer
    x = 8,573.75

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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.