Home / 7,960.19-10,985.18-4,816.38

Finding the Fourth Proportional to 7,960.19, 10,985.18 and 4,816.38

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Solution

The fourth proportional to 7,960.19, 10,985.18 and 4,816.38 is: 6,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.19 : 10,985.18 = 4,816.38 : x
  2. Step 2: Convert to fraction form
    7,960.19/10,985.18 = 4,816.38/x
  3. Step 3: Cross multiply
    7,960.19x = 10,985.18 × 4,816.38
  4. Step 4: Simplify right side
    7,960.19x = 52,908,777.17
  5. Step 5: Solve for x
    x = 52,908,777.17/7,960.19
  6. Step 6: Final answer
    x = 6,646.67

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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.