Home / 6,530.46-9,014.08-4,172.59

Finding the Fourth Proportional to 6,530.46, 9,014.08 and 4,172.59

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Solution

The fourth proportional to 6,530.46, 9,014.08 and 4,172.59 is: 5,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.46 : 9,014.08 = 4,172.59 : x
  2. Step 2: Convert to fraction form
    6,530.46/9,014.08 = 4,172.59/x
  3. Step 3: Cross multiply
    6,530.46x = 9,014.08 × 4,172.59
  4. Step 4: Simplify right side
    6,530.46x = 37,612,072.17
  5. Step 5: Solve for x
    x = 37,612,072.17/6,530.46
  6. Step 6: Final answer
    x = 5,759.49

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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.