Home / 10,421.09-14,380.58-5,944.68

Finding the Fourth Proportional to 10,421.09, 14,380.58 and 5,944.68

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Solution

The fourth proportional to 10,421.09, 14,380.58 and 5,944.68 is: 8,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.09 : 14,380.58 = 5,944.68 : x
  2. Step 2: Convert to fraction form
    10,421.09/14,380.58 = 5,944.68/x
  3. Step 3: Cross multiply
    10,421.09x = 14,380.58 × 5,944.68
  4. Step 4: Simplify right side
    10,421.09x = 85,487,946.31
  5. Step 5: Solve for x
    x = 85,487,946.31/10,421.09
  6. Step 6: Final answer
    x = 8,203.36

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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.