Home / 9,126.47-12,594.62-5,351.87

Finding the Fourth Proportional to 9,126.47, 12,594.62 and 5,351.87

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Solution

The fourth proportional to 9,126.47, 12,594.62 and 5,351.87 is: 7,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.47 : 12,594.62 = 5,351.87 : x
  2. Step 2: Convert to fraction form
    9,126.47/12,594.62 = 5,351.87/x
  3. Step 3: Cross multiply
    9,126.47x = 12,594.62 × 5,351.87
  4. Step 4: Simplify right side
    9,126.47x = 67,404,813.81
  5. Step 5: Solve for x
    x = 67,404,813.81/9,126.47
  6. Step 6: Final answer
    x = 7,385.64

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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.