Home / 10,378.23-14,322.27-5,902.62

Finding the Fourth Proportional to 10,378.23, 14,322.27 and 5,902.62

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Solution

The fourth proportional to 10,378.23, 14,322.27 and 5,902.62 is: 8,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.23 : 14,322.27 = 5,902.62 : x
  2. Step 2: Convert to fraction form
    10,378.23/14,322.27 = 5,902.62/x
  3. Step 3: Cross multiply
    10,378.23x = 14,322.27 × 5,902.62
  4. Step 4: Simplify right side
    10,378.23x = 84,538,933.13
  5. Step 5: Solve for x
    x = 84,538,933.13/10,378.23
  6. Step 6: Final answer
    x = 8,145.80

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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.