Home / 10,240.61-14,133.40-5,765.23

Finding the Fourth Proportional to 10,240.61, 14,133.40 and 5,765.23

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Solution

The fourth proportional to 10,240.61, 14,133.40 and 5,765.23 is: 7,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.61 : 14,133.40 = 5,765.23 : x
  2. Step 2: Convert to fraction form
    10,240.61/14,133.40 = 5,765.23/x
  3. Step 3: Cross multiply
    10,240.61x = 14,133.40 × 5,765.23
  4. Step 4: Simplify right side
    10,240.61x = 81,482,304.94
  5. Step 5: Solve for x
    x = 81,482,304.94/10,240.61
  6. Step 6: Final answer
    x = 7,956.79

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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.