Home / 10,376.58-14,319.63-5,660.82

Finding the Fourth Proportional to 10,376.58, 14,319.63 and 5,660.82

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Solution

The fourth proportional to 10,376.58, 14,319.63 and 5,660.82 is: 7,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.58 : 14,319.63 = 5,660.82 : x
  2. Step 2: Convert to fraction form
    10,376.58/14,319.63 = 5,660.82/x
  3. Step 3: Cross multiply
    10,376.58x = 14,319.63 × 5,660.82
  4. Step 4: Simplify right side
    10,376.58x = 81,060,847.90
  5. Step 5: Solve for x
    x = 81,060,847.90/10,376.58
  6. Step 6: Final answer
    x = 7,811.90

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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.