Home / 10,376.08-14,319.47-5,660.36

Finding the Fourth Proportional to 10,376.08, 14,319.47 and 5,660.36

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Solution

The fourth proportional to 10,376.08, 14,319.47 and 5,660.36 is: 7,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.08 : 14,319.47 = 5,660.36 : x
  2. Step 2: Convert to fraction form
    10,376.08/14,319.47 = 5,660.36/x
  3. Step 3: Cross multiply
    10,376.08x = 14,319.47 × 5,660.36
  4. Step 4: Simplify right side
    10,376.08x = 81,053,355.21
  5. Step 5: Solve for x
    x = 81,053,355.21/10,376.08
  6. Step 6: Final answer
    x = 7,811.56

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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.