Home / 7,848.96-10,831.70-4,312.32

Finding the Fourth Proportional to 7,848.96, 10,831.70 and 4,312.32

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Solution

The fourth proportional to 7,848.96, 10,831.70 and 4,312.32 is: 5,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.96 : 10,831.70 = 4,312.32 : x
  2. Step 2: Convert to fraction form
    7,848.96/10,831.70 = 4,312.32/x
  3. Step 3: Cross multiply
    7,848.96x = 10,831.70 × 4,312.32
  4. Step 4: Simplify right side
    7,848.96x = 46,709,756.54
  5. Step 5: Solve for x
    x = 46,709,756.54/7,848.96
  6. Step 6: Final answer
    x = 5,951.08

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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.