Home / 10,339.81-15,504.84-7,223.33

Finding the Fourth Proportional to 10,339.81, 15,504.84 and 7,223.33

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Solution

The fourth proportional to 10,339.81, 15,504.84 and 7,223.33 is: 10,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.81 : 15,504.84 = 7,223.33 : x
  2. Step 2: Convert to fraction form
    10,339.81/15,504.84 = 7,223.33/x
  3. Step 3: Cross multiply
    10,339.81x = 15,504.84 × 7,223.33
  4. Step 4: Simplify right side
    10,339.81x = 111,996,614.68
  5. Step 5: Solve for x
    x = 111,996,614.68/10,339.81
  6. Step 6: Final answer
    x = 10,831.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.