Home / 10,376.48-14,319.54-5,660.76

Finding the Fourth Proportional to 10,376.48, 14,319.54 and 5,660.76

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Solution

The fourth proportional to 10,376.48, 14,319.54 and 5,660.76 is: 7,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.48 : 14,319.54 = 5,660.76 : x
  2. Step 2: Convert to fraction form
    10,376.48/14,319.54 = 5,660.76/x
  3. Step 3: Cross multiply
    10,376.48x = 14,319.54 × 5,660.76
  4. Step 4: Simplify right side
    10,376.48x = 81,059,479.25
  5. Step 5: Solve for x
    x = 81,059,479.25/10,376.48
  6. Step 6: Final answer
    x = 7,811.85

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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.