Home / 7,125.48-9,831.78-4,294.44

Finding the Fourth Proportional to 7,125.48, 9,831.78 and 4,294.44

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Solution

The fourth proportional to 7,125.48, 9,831.78 and 4,294.44 is: 5,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.48 : 9,831.78 = 4,294.44 : x
  2. Step 2: Convert to fraction form
    7,125.48/9,831.78 = 4,294.44/x
  3. Step 3: Cross multiply
    7,125.48x = 9,831.78 × 4,294.44
  4. Step 4: Simplify right side
    7,125.48x = 42,221,989.30
  5. Step 5: Solve for x
    x = 42,221,989.30/7,125.48
  6. Step 6: Final answer
    x = 5,925.49

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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.