Home / 10,409.16-14,364.50-5,693.38

Finding the Fourth Proportional to 10,409.16, 14,364.50 and 5,693.38

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Solution

The fourth proportional to 10,409.16, 14,364.50 and 5,693.38 is: 7,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.16 : 14,364.50 = 5,693.38 : x
  2. Step 2: Convert to fraction form
    10,409.16/14,364.50 = 5,693.38/x
  3. Step 3: Cross multiply
    10,409.16x = 14,364.50 × 5,693.38
  4. Step 4: Simplify right side
    10,409.16x = 81,782,557.01
  5. Step 5: Solve for x
    x = 81,782,557.01/10,409.16
  6. Step 6: Final answer
    x = 7,856.79

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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.