Home / 7,848.87-10,831.32-4,312.05

Finding the Fourth Proportional to 7,848.87, 10,831.32 and 4,312.05

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Solution

The fourth proportional to 7,848.87, 10,831.32 and 4,312.05 is: 5,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.87 : 10,831.32 = 4,312.05 : x
  2. Step 2: Convert to fraction form
    7,848.87/10,831.32 = 4,312.05/x
  3. Step 3: Cross multiply
    7,848.87x = 10,831.32 × 4,312.05
  4. Step 4: Simplify right side
    7,848.87x = 46,705,193.41
  5. Step 5: Solve for x
    x = 46,705,193.41/7,848.87
  6. Step 6: Final answer
    x = 5,950.56

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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.