Home / 7,228.04-9,981.78-6,173.96

Finding the Fourth Proportional to 7,228.04, 9,981.78 and 6,173.96

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Solution

The fourth proportional to 7,228.04, 9,981.78 and 6,173.96 is: 8,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.04 : 9,981.78 = 6,173.96 : x
  2. Step 2: Convert to fraction form
    7,228.04/9,981.78 = 6,173.96/x
  3. Step 3: Cross multiply
    7,228.04x = 9,981.78 × 6,173.96
  4. Step 4: Simplify right side
    7,228.04x = 61,627,110.45
  5. Step 5: Solve for x
    x = 61,627,110.45/7,228.04
  6. Step 6: Final answer
    x = 8,526.12

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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.