Home / 7,542.46-10,408.09-4,185.16

Finding the Fourth Proportional to 7,542.46, 10,408.09 and 4,185.16

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Solution

The fourth proportional to 7,542.46, 10,408.09 and 4,185.16 is: 5,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.46 : 10,408.09 = 4,185.16 : x
  2. Step 2: Convert to fraction form
    7,542.46/10,408.09 = 4,185.16/x
  3. Step 3: Cross multiply
    7,542.46x = 10,408.09 × 4,185.16
  4. Step 4: Simplify right side
    7,542.46x = 43,559,521.94
  5. Step 5: Solve for x
    x = 43,559,521.94/7,542.46
  6. Step 6: Final answer
    x = 5,775.24

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Half scale
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Double scale
Find fourth proportional to 7,543.46, 10,409.47 and 4,186.16
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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.