Home / 8,624.06-11,901.31-5,221.02

Finding the Fourth Proportional to 8,624.06, 11,901.31 and 5,221.02

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Solution

The fourth proportional to 8,624.06, 11,901.31 and 5,221.02 is: 7,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.06 : 11,901.31 = 5,221.02 : x
  2. Step 2: Convert to fraction form
    8,624.06/11,901.31 = 5,221.02/x
  3. Step 3: Cross multiply
    8,624.06x = 11,901.31 × 5,221.02
  4. Step 4: Simplify right side
    8,624.06x = 62,137,009.11
  5. Step 5: Solve for x
    x = 62,137,009.11/8,624.06
  6. Step 6: Final answer
    x = 7,205.08

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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.