Home / 9,523.54-13,142.05-5,274.32

Finding the Fourth Proportional to 9,523.54, 13,142.05 and 5,274.32

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Solution

The fourth proportional to 9,523.54, 13,142.05 and 5,274.32 is: 7,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.54 : 13,142.05 = 5,274.32 : x
  2. Step 2: Convert to fraction form
    9,523.54/13,142.05 = 5,274.32/x
  3. Step 3: Cross multiply
    9,523.54x = 13,142.05 × 5,274.32
  4. Step 4: Simplify right side
    9,523.54x = 69,315,298.26
  5. Step 5: Solve for x
    x = 69,315,298.26/9,523.54
  6. Step 6: Final answer
    x = 7,278.31

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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.