Home / 7,135.04-10,685.64-4,167.56

Finding the Fourth Proportional to 7,135.04, 10,685.64 and 4,167.56

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Solution

The fourth proportional to 7,135.04, 10,685.64 and 4,167.56 is: 6,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.04 : 10,685.64 = 4,167.56 : x
  2. Step 2: Convert to fraction form
    7,135.04/10,685.64 = 4,167.56/x
  3. Step 3: Cross multiply
    7,135.04x = 10,685.64 × 4,167.56
  4. Step 4: Simplify right side
    7,135.04x = 44,533,045.84
  5. Step 5: Solve for x
    x = 44,533,045.84/7,135.04
  6. Step 6: Final answer
    x = 6,241.46

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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.