Home / 9,529.43-13,121.26-8,465.35

Finding the Fourth Proportional to 9,529.43, 13,121.26 and 8,465.35

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Solution

The fourth proportional to 9,529.43, 13,121.26 and 8,465.35 is: 11,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.43 : 13,121.26 = 8,465.35 : x
  2. Step 2: Convert to fraction form
    9,529.43/13,121.26 = 8,465.35/x
  3. Step 3: Cross multiply
    9,529.43x = 13,121.26 × 8,465.35
  4. Step 4: Simplify right side
    9,529.43x = 111,076,008.63
  5. Step 5: Solve for x
    x = 111,076,008.63/9,529.43
  6. Step 6: Final answer
    x = 11,656.10

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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.