Home / 9,214.43-12,715.53-5,235.53

Finding the Fourth Proportional to 9,214.43, 12,715.53 and 5,235.53

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Solution

The fourth proportional to 9,214.43, 12,715.53 and 5,235.53 is: 7,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.43 : 12,715.53 = 5,235.53 : x
  2. Step 2: Convert to fraction form
    9,214.43/12,715.53 = 5,235.53/x
  3. Step 3: Cross multiply
    9,214.43x = 12,715.53 × 5,235.53
  4. Step 4: Simplify right side
    9,214.43x = 66,572,538.78
  5. Step 5: Solve for x
    x = 66,572,538.78/9,214.43
  6. Step 6: Final answer
    x = 7,224.81

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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.