Home / 9,133.53-12,604.64-5,356.18

Finding the Fourth Proportional to 9,133.53, 12,604.64 and 5,356.18

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Solution

The fourth proportional to 9,133.53, 12,604.64 and 5,356.18 is: 7,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.53 : 12,604.64 = 5,356.18 : x
  2. Step 2: Convert to fraction form
    9,133.53/12,604.64 = 5,356.18/x
  3. Step 3: Cross multiply
    9,133.53x = 12,604.64 × 5,356.18
  4. Step 4: Simplify right side
    9,133.53x = 67,512,653.81
  5. Step 5: Solve for x
    x = 67,512,653.81/9,133.53
  6. Step 6: Final answer
    x = 7,391.73

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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.