Home / 10,192.32-14,065.20-5,716.08

Finding the Fourth Proportional to 10,192.32, 14,065.20 and 5,716.08

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Solution

The fourth proportional to 10,192.32, 14,065.20 and 5,716.08 is: 7,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.32 : 14,065.20 = 5,716.08 : x
  2. Step 2: Convert to fraction form
    10,192.32/14,065.20 = 5,716.08/x
  3. Step 3: Cross multiply
    10,192.32x = 14,065.20 × 5,716.08
  4. Step 4: Simplify right side
    10,192.32x = 80,397,808.42
  5. Step 5: Solve for x
    x = 80,397,808.42/10,192.32
  6. Step 6: Final answer
    x = 7,888.08

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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.