Home / 9,437.40-14,049.36-9,388.44

Finding the Fourth Proportional to 9,437.40, 14,049.36 and 9,388.44

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Solution

The fourth proportional to 9,437.40, 14,049.36 and 9,388.44 is: 13,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.40 : 14,049.36 = 9,388.44 : x
  2. Step 2: Convert to fraction form
    9,437.40/14,049.36 = 9,388.44/x
  3. Step 3: Cross multiply
    9,437.40x = 14,049.36 × 9,388.44
  4. Step 4: Simplify right side
    9,437.40x = 131,901,573.40
  5. Step 5: Solve for x
    x = 131,901,573.40/9,437.40
  6. Step 6: Final answer
    x = 13,976.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.