Home / 7,014.14-9,681.53-4,145.53

Finding the Fourth Proportional to 7,014.14, 9,681.53 and 4,145.53

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Solution

The fourth proportional to 7,014.14, 9,681.53 and 4,145.53 is: 5,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.14 : 9,681.53 = 4,145.53 : x
  2. Step 2: Convert to fraction form
    7,014.14/9,681.53 = 4,145.53/x
  3. Step 3: Cross multiply
    7,014.14x = 9,681.53 × 4,145.53
  4. Step 4: Simplify right side
    7,014.14x = 40,135,073.06
  5. Step 5: Solve for x
    x = 40,135,073.06/7,014.14
  6. Step 6: Final answer
    x = 5,722.02

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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.