Home / 10,376.40-14,319.27-5,660.58

Finding the Fourth Proportional to 10,376.40, 14,319.27 and 5,660.58

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Solution

The fourth proportional to 10,376.40, 14,319.27 and 5,660.58 is: 7,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.40 : 14,319.27 = 5,660.58 : x
  2. Step 2: Convert to fraction form
    10,376.40/14,319.27 = 5,660.58/x
  3. Step 3: Cross multiply
    10,376.40x = 14,319.27 × 5,660.58
  4. Step 4: Simplify right side
    10,376.40x = 81,055,373.38
  5. Step 5: Solve for x
    x = 81,055,373.38/10,376.40
  6. Step 6: Final answer
    x = 7,811.51

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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.