Home / 10,378.50-14,322.70-5,902.44

Finding the Fourth Proportional to 10,378.50, 14,322.70 and 5,902.44

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Solution

The fourth proportional to 10,378.50, 14,322.70 and 5,902.44 is: 8,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.50 : 14,322.70 = 5,902.44 : x
  2. Step 2: Convert to fraction form
    10,378.50/14,322.70 = 5,902.44/x
  3. Step 3: Cross multiply
    10,378.50x = 14,322.70 × 5,902.44
  4. Step 4: Simplify right side
    10,378.50x = 84,538,877.39
  5. Step 5: Solve for x
    x = 84,538,877.39/10,378.50
  6. Step 6: Final answer
    x = 8,145.58

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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.