Home / 7,426.66-10,248.81-4,069.40

Finding the Fourth Proportional to 7,426.66, 10,248.81 and 4,069.40

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Solution

The fourth proportional to 7,426.66, 10,248.81 and 4,069.40 is: 5,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.66 : 10,248.81 = 4,069.40 : x
  2. Step 2: Convert to fraction form
    7,426.66/10,248.81 = 4,069.40/x
  3. Step 3: Cross multiply
    7,426.66x = 10,248.81 × 4,069.40
  4. Step 4: Simplify right side
    7,426.66x = 41,706,507.41
  5. Step 5: Solve for x
    x = 41,706,507.41/7,426.66
  6. Step 6: Final answer
    x = 5,615.78

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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.