Home / 9,523.56-13,143.43-5,331.81

Finding the Fourth Proportional to 9,523.56, 13,143.43 and 5,331.81

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Solution

The fourth proportional to 9,523.56, 13,143.43 and 5,331.81 is: 7,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.56 : 13,143.43 = 5,331.81 : x
  2. Step 2: Convert to fraction form
    9,523.56/13,143.43 = 5,331.81/x
  3. Step 3: Cross multiply
    9,523.56x = 13,143.43 × 5,331.81
  4. Step 4: Simplify right side
    9,523.56x = 70,078,271.51
  5. Step 5: Solve for x
    x = 70,078,271.51/9,523.56
  6. Step 6: Final answer
    x = 7,358.41

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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.