Home / 9,895.83-13,656.19-5,358.50

Finding the Fourth Proportional to 9,895.83, 13,656.19 and 5,358.50

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Solution

The fourth proportional to 9,895.83, 13,656.19 and 5,358.50 is: 7,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.83 : 13,656.19 = 5,358.50 : x
  2. Step 2: Convert to fraction form
    9,895.83/13,656.19 = 5,358.50/x
  3. Step 3: Cross multiply
    9,895.83x = 13,656.19 × 5,358.50
  4. Step 4: Simplify right side
    9,895.83x = 73,176,694.12
  5. Step 5: Solve for x
    x = 73,176,694.12/9,895.83
  6. Step 6: Final answer
    x = 7,394.70

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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.