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Finding the Fourth Proportional to 9,010.58, 12,435.09 and 5,284.58

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Solution

The fourth proportional to 9,010.58, 12,435.09 and 5,284.58 is: 7,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.58 : 12,435.09 = 5,284.58 : x
  2. Step 2: Convert to fraction form
    9,010.58/12,435.09 = 5,284.58/x
  3. Step 3: Cross multiply
    9,010.58x = 12,435.09 × 5,284.58
  4. Step 4: Simplify right side
    9,010.58x = 65,714,227.91
  5. Step 5: Solve for x
    x = 65,714,227.91/9,010.58
  6. Step 6: Final answer
    x = 7,293.01

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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.