Home / 7,831.40-10,807.52-4,996.26

Finding the Fourth Proportional to 7,831.40, 10,807.52 and 4,996.26

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Solution

The fourth proportional to 7,831.40, 10,807.52 and 4,996.26 is: 6,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.40 : 10,807.52 = 4,996.26 : x
  2. Step 2: Convert to fraction form
    7,831.40/10,807.52 = 4,996.26/x
  3. Step 3: Cross multiply
    7,831.40x = 10,807.52 × 4,996.26
  4. Step 4: Simplify right side
    7,831.40x = 53,997,154.89
  5. Step 5: Solve for x
    x = 53,997,154.89/7,831.40
  6. Step 6: Final answer
    x = 6,894.96

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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.