Home / 10,378.49-14,322.47-5,902.37

Finding the Fourth Proportional to 10,378.49, 14,322.47 and 5,902.37

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Solution

The fourth proportional to 10,378.49, 14,322.47 and 5,902.37 is: 8,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.49 : 14,322.47 = 5,902.37 : x
  2. Step 2: Convert to fraction form
    10,378.49/14,322.47 = 5,902.37/x
  3. Step 3: Cross multiply
    10,378.49x = 14,322.47 × 5,902.37
  4. Step 4: Simplify right side
    10,378.49x = 84,536,517.25
  5. Step 5: Solve for x
    x = 84,536,517.25/10,378.49
  6. Step 6: Final answer
    x = 8,145.36

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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.