Home / 7,848.42-10,831.48-4,312.36

Finding the Fourth Proportional to 7,848.42, 10,831.48 and 4,312.36

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Solution

The fourth proportional to 7,848.42, 10,831.48 and 4,312.36 is: 5,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.42 : 10,831.48 = 4,312.36 : x
  2. Step 2: Convert to fraction form
    7,848.42/10,831.48 = 4,312.36/x
  3. Step 3: Cross multiply
    7,848.42x = 10,831.48 × 4,312.36
  4. Step 4: Simplify right side
    7,848.42x = 46,709,241.09
  5. Step 5: Solve for x
    x = 46,709,241.09/7,848.42
  6. Step 6: Final answer
    x = 5,951.42

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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.