Home / 9,815.06-13,543.26-5,622.50

Finding the Fourth Proportional to 9,815.06, 13,543.26 and 5,622.50

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Solution

The fourth proportional to 9,815.06, 13,543.26 and 5,622.50 is: 7,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.06 : 13,543.26 = 5,622.50 : x
  2. Step 2: Convert to fraction form
    9,815.06/13,543.26 = 5,622.50/x
  3. Step 3: Cross multiply
    9,815.06x = 13,543.26 × 5,622.50
  4. Step 4: Simplify right side
    9,815.06x = 76,146,979.35
  5. Step 5: Solve for x
    x = 76,146,979.35/9,815.06
  6. Step 6: Final answer
    x = 7,758.18

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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.