Home / 12,303.23-16,975.80-7,825.37

Finding the Fourth Proportional to 12,303.23, 16,975.80 and 7,825.37

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Solution

The fourth proportional to 12,303.23, 16,975.80 and 7,825.37 is: 10,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.23 : 16,975.80 = 7,825.37 : x
  2. Step 2: Convert to fraction form
    12,303.23/16,975.80 = 7,825.37/x
  3. Step 3: Cross multiply
    12,303.23x = 16,975.80 × 7,825.37
  4. Step 4: Simplify right side
    12,303.23x = 132,841,831.17
  5. Step 5: Solve for x
    x = 132,841,831.17/12,303.23
  6. Step 6: Final answer
    x = 10,797.32

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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.