Home / 7,847.69-10,831.70-4,492.45

Finding the Fourth Proportional to 7,847.69, 10,831.70 and 4,492.45

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Solution

The fourth proportional to 7,847.69, 10,831.70 and 4,492.45 is: 6,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.69 : 10,831.70 = 4,492.45 : x
  2. Step 2: Convert to fraction form
    7,847.69/10,831.70 = 4,492.45/x
  3. Step 3: Cross multiply
    7,847.69x = 10,831.70 × 4,492.45
  4. Step 4: Simplify right side
    7,847.69x = 48,660,870.67
  5. Step 5: Solve for x
    x = 48,660,870.67/7,847.69
  6. Step 6: Final answer
    x = 6,200.66

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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.