Home / 9,148.55-12,633.39-7,356.29

Finding the Fourth Proportional to 9,148.55, 12,633.39 and 7,356.29

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Solution

The fourth proportional to 9,148.55, 12,633.39 and 7,356.29 is: 10,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.55 : 12,633.39 = 7,356.29 : x
  2. Step 2: Convert to fraction form
    9,148.55/12,633.39 = 7,356.29/x
  3. Step 3: Cross multiply
    9,148.55x = 12,633.39 × 7,356.29
  4. Step 4: Simplify right side
    9,148.55x = 92,934,817.36
  5. Step 5: Solve for x
    x = 92,934,817.36/9,148.55
  6. Step 6: Final answer
    x = 10,158.43

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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.