Home / 10,421.34-14,382.28-5,944.07

Finding the Fourth Proportional to 10,421.34, 14,382.28 and 5,944.07

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Solution

The fourth proportional to 10,421.34, 14,382.28 and 5,944.07 is: 8,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.34 : 14,382.28 = 5,944.07 : x
  2. Step 2: Convert to fraction form
    10,421.34/14,382.28 = 5,944.07/x
  3. Step 3: Cross multiply
    10,421.34x = 14,382.28 × 5,944.07
  4. Step 4: Simplify right side
    10,421.34x = 85,489,177.45
  5. Step 5: Solve for x
    x = 85,489,177.45/10,421.34
  6. Step 6: Final answer
    x = 8,203.28

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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.