Home / 30,880.62-46,320.57-7,507.08

Finding the Fourth Proportional to 30,880.62, 46,320.57 and 7,507.08

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Solution

The fourth proportional to 30,880.62, 46,320.57 and 7,507.08 is: 11,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.62 : 46,320.57 = 7,507.08 : x
  2. Step 2: Convert to fraction form
    30,880.62/46,320.57 = 7,507.08/x
  3. Step 3: Cross multiply
    30,880.62x = 46,320.57 × 7,507.08
  4. Step 4: Simplify right side
    30,880.62x = 347,732,224.64
  5. Step 5: Solve for x
    x = 347,732,224.64/30,880.62
  6. Step 6: Final answer
    x = 11,260.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.