Home / 10,409.21-14,364.52-5,693.39

Finding the Fourth Proportional to 10,409.21, 14,364.52 and 5,693.39

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Solution

The fourth proportional to 10,409.21, 14,364.52 and 5,693.39 is: 7,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.21 : 14,364.52 = 5,693.39 : x
  2. Step 2: Convert to fraction form
    10,409.21/14,364.52 = 5,693.39/x
  3. Step 3: Cross multiply
    10,409.21x = 14,364.52 × 5,693.39
  4. Step 4: Simplify right side
    10,409.21x = 81,782,742.70
  5. Step 5: Solve for x
    x = 81,782,742.70/10,409.21
  6. Step 6: Final answer
    x = 7,856.77

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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.