Home / 6,528.54-9,007.16-4,172.04

Finding the Fourth Proportional to 6,528.54, 9,007.16 and 4,172.04

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Solution

The fourth proportional to 6,528.54, 9,007.16 and 4,172.04 is: 5,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.54 : 9,007.16 = 4,172.04 : x
  2. Step 2: Convert to fraction form
    6,528.54/9,007.16 = 4,172.04/x
  3. Step 3: Cross multiply
    6,528.54x = 9,007.16 × 4,172.04
  4. Step 4: Simplify right side
    6,528.54x = 37,578,231.81
  5. Step 5: Solve for x
    x = 37,578,231.81/6,528.54
  6. Step 6: Final answer
    x = 5,755.99

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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.