Home / 9,235.29-12,743.21-5,256.47

Finding the Fourth Proportional to 9,235.29, 12,743.21 and 5,256.47

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Solution

The fourth proportional to 9,235.29, 12,743.21 and 5,256.47 is: 7,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.29 : 12,743.21 = 5,256.47 : x
  2. Step 2: Convert to fraction form
    9,235.29/12,743.21 = 5,256.47/x
  3. Step 3: Cross multiply
    9,235.29x = 12,743.21 × 5,256.47
  4. Step 4: Simplify right side
    9,235.29x = 66,984,346.07
  5. Step 5: Solve for x
    x = 66,984,346.07/9,235.29
  6. Step 6: Final answer
    x = 7,253.09

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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.