Home / 9,823.10-13,555.79-5,631.26

Finding the Fourth Proportional to 9,823.10, 13,555.79 and 5,631.26

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Solution

The fourth proportional to 9,823.10, 13,555.79 and 5,631.26 is: 7,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,823.10 : 13,555.79 = 5,631.26 : x
  2. Step 2: Convert to fraction form
    9,823.10/13,555.79 = 5,631.26/x
  3. Step 3: Cross multiply
    9,823.10x = 13,555.79 × 5,631.26
  4. Step 4: Simplify right side
    9,823.10x = 76,336,178.00
  5. Step 5: Solve for x
    x = 76,336,178.00/9,823.10
  6. Step 6: Final answer
    x = 7,771.09

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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.