Home / 10,318.37-14,239.38-5,602.73

Finding the Fourth Proportional to 10,318.37, 14,239.38 and 5,602.73

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Solution

The fourth proportional to 10,318.37, 14,239.38 and 5,602.73 is: 7,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.37 : 14,239.38 = 5,602.73 : x
  2. Step 2: Convert to fraction form
    10,318.37/14,239.38 = 5,602.73/x
  3. Step 3: Cross multiply
    10,318.37x = 14,239.38 × 5,602.73
  4. Step 4: Simplify right side
    10,318.37x = 79,779,302.30
  5. Step 5: Solve for x
    x = 79,779,302.30/10,318.37
  6. Step 6: Final answer
    x = 7,731.78

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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.