Home / 10,346.85-15,434.21-9,350.37

Finding the Fourth Proportional to 10,346.85, 15,434.21 and 9,350.37

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Solution

The fourth proportional to 10,346.85, 15,434.21 and 9,350.37 is: 13,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.85 : 15,434.21 = 9,350.37 : x
  2. Step 2: Convert to fraction form
    10,346.85/15,434.21 = 9,350.37/x
  3. Step 3: Cross multiply
    10,346.85x = 15,434.21 × 9,350.37
  4. Step 4: Simplify right side
    10,346.85x = 144,315,597.53
  5. Step 5: Solve for x
    x = 144,315,597.53/10,346.85
  6. Step 6: Final answer
    x = 13,947.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.