Home / 7,381.13-10,186.16-4,237.52

Finding the Fourth Proportional to 7,381.13, 10,186.16 and 4,237.52

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Solution

The fourth proportional to 7,381.13, 10,186.16 and 4,237.52 is: 5,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.13 : 10,186.16 = 4,237.52 : x
  2. Step 2: Convert to fraction form
    7,381.13/10,186.16 = 4,237.52/x
  3. Step 3: Cross multiply
    7,381.13x = 10,186.16 × 4,237.52
  4. Step 4: Simplify right side
    7,381.13x = 43,163,984.60
  5. Step 5: Solve for x
    x = 43,163,984.60/7,381.13
  6. Step 6: Final answer
    x = 5,847.89

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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.