Home / 10,232.72-14,106.12-7,239.32

Finding the Fourth Proportional to 10,232.72, 14,106.12 and 7,239.32

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Solution

The fourth proportional to 10,232.72, 14,106.12 and 7,239.32 is: 9,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,232.72 : 14,106.12 = 7,239.32 : x
  2. Step 2: Convert to fraction form
    10,232.72/14,106.12 = 7,239.32/x
  3. Step 3: Cross multiply
    10,232.72x = 14,106.12 × 7,239.32
  4. Step 4: Simplify right side
    10,232.72x = 102,118,716.64
  5. Step 5: Solve for x
    x = 102,118,716.64/10,232.72
  6. Step 6: Final answer
    x = 9,979.63

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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.