Home / 9,435.14-13,019.70-5,456.49

Finding the Fourth Proportional to 9,435.14, 13,019.70 and 5,456.49

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Solution

The fourth proportional to 9,435.14, 13,019.70 and 5,456.49 is: 7,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.14 : 13,019.70 = 5,456.49 : x
  2. Step 2: Convert to fraction form
    9,435.14/13,019.70 = 5,456.49/x
  3. Step 3: Cross multiply
    9,435.14x = 13,019.70 × 5,456.49
  4. Step 4: Simplify right side
    9,435.14x = 71,041,862.85
  5. Step 5: Solve for x
    x = 71,041,862.85/9,435.14
  6. Step 6: Final answer
    x = 7,529.50

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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.