Home / 7,831.17-10,807.11-4,294.32

Finding the Fourth Proportional to 7,831.17, 10,807.11 and 4,294.32

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Solution

The fourth proportional to 7,831.17, 10,807.11 and 4,294.32 is: 5,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.17 : 10,807.11 = 4,294.32 : x
  2. Step 2: Convert to fraction form
    7,831.17/10,807.11 = 4,294.32/x
  3. Step 3: Cross multiply
    7,831.17x = 10,807.11 × 4,294.32
  4. Step 4: Simplify right side
    7,831.17x = 46,409,188.62
  5. Step 5: Solve for x
    x = 46,409,188.62/7,831.17
  6. Step 6: Final answer
    x = 5,926.21

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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.