Home / 9,366.17-12,926.61-5,387.21

Finding the Fourth Proportional to 9,366.17, 12,926.61 and 5,387.21

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Solution

The fourth proportional to 9,366.17, 12,926.61 and 5,387.21 is: 7,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.17 : 12,926.61 = 5,387.21 : x
  2. Step 2: Convert to fraction form
    9,366.17/12,926.61 = 5,387.21/x
  3. Step 3: Cross multiply
    9,366.17x = 12,926.61 × 5,387.21
  4. Step 4: Simplify right side
    9,366.17x = 69,638,362.66
  5. Step 5: Solve for x
    x = 69,638,362.66/9,366.17
  6. Step 6: Final answer
    x = 7,435.09

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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.