Home / 10,381.52-14,322.96-6,189.60

Finding the Fourth Proportional to 10,381.52, 14,322.96 and 6,189.60

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Solution

The fourth proportional to 10,381.52, 14,322.96 and 6,189.60 is: 8,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.52 : 14,322.96 = 6,189.60 : x
  2. Step 2: Convert to fraction form
    10,381.52/14,322.96 = 6,189.60/x
  3. Step 3: Cross multiply
    10,381.52x = 14,322.96 × 6,189.60
  4. Step 4: Simplify right side
    10,381.52x = 88,653,393.22
  5. Step 5: Solve for x
    x = 88,653,393.22/10,381.52
  6. Step 6: Final answer
    x = 8,539.54

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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.