Home / 12,303.04-16,975.62-7,825.18

Finding the Fourth Proportional to 12,303.04, 16,975.62 and 7,825.18

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Solution

The fourth proportional to 12,303.04, 16,975.62 and 7,825.18 is: 10,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.04 : 16,975.62 = 7,825.18 : x
  2. Step 2: Convert to fraction form
    12,303.04/16,975.62 = 7,825.18/x
  3. Step 3: Cross multiply
    12,303.04x = 16,975.62 × 7,825.18
  4. Step 4: Simplify right side
    12,303.04x = 132,837,282.11
  5. Step 5: Solve for x
    x = 132,837,282.11/12,303.04
  6. Step 6: Final answer
    x = 10,797.11

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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.