Home / 10,376.13-14,319.42-5,660.67

Finding the Fourth Proportional to 10,376.13, 14,319.42 and 5,660.67

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Solution

The fourth proportional to 10,376.13, 14,319.42 and 5,660.67 is: 7,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.13 : 14,319.42 = 5,660.67 : x
  2. Step 2: Convert to fraction form
    10,376.13/14,319.42 = 5,660.67/x
  3. Step 3: Cross multiply
    10,376.13x = 14,319.42 × 5,660.67
  4. Step 4: Simplify right side
    10,376.13x = 81,057,511.21
  5. Step 5: Solve for x
    x = 81,057,511.21/10,376.13
  6. Step 6: Final answer
    x = 7,811.92

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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.