Home / 9,427.43-13,009.87-5,235.68

Finding the Fourth Proportional to 9,427.43, 13,009.87 and 5,235.68

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Solution

The fourth proportional to 9,427.43, 13,009.87 and 5,235.68 is: 7,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.43 : 13,009.87 = 5,235.68 : x
  2. Step 2: Convert to fraction form
    9,427.43/13,009.87 = 5,235.68/x
  3. Step 3: Cross multiply
    9,427.43x = 13,009.87 × 5,235.68
  4. Step 4: Simplify right side
    9,427.43x = 68,115,438.02
  5. Step 5: Solve for x
    x = 68,115,438.02/9,427.43
  6. Step 6: Final answer
    x = 7,225.24

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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.