Home / 10,376.24-14,319.16-5,660.50

Finding the Fourth Proportional to 10,376.24, 14,319.16 and 5,660.50

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Solution

The fourth proportional to 10,376.24, 14,319.16 and 5,660.50 is: 7,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.24 : 14,319.16 = 5,660.50 : x
  2. Step 2: Convert to fraction form
    10,376.24/14,319.16 = 5,660.50/x
  3. Step 3: Cross multiply
    10,376.24x = 14,319.16 × 5,660.50
  4. Step 4: Simplify right side
    10,376.24x = 81,053,605.18
  5. Step 5: Solve for x
    x = 81,053,605.18/10,376.24
  6. Step 6: Final answer
    x = 7,811.46

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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.