Home / 10,102.81-13,942.44-6,070.87

Finding the Fourth Proportional to 10,102.81, 13,942.44 and 6,070.87

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Solution

The fourth proportional to 10,102.81, 13,942.44 and 6,070.87 is: 8,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.81 : 13,942.44 = 6,070.87 : x
  2. Step 2: Convert to fraction form
    10,102.81/13,942.44 = 6,070.87/x
  3. Step 3: Cross multiply
    10,102.81x = 13,942.44 × 6,070.87
  4. Step 4: Simplify right side
    10,102.81x = 84,642,740.72
  5. Step 5: Solve for x
    x = 84,642,740.72/10,102.81
  6. Step 6: Final answer
    x = 8,378.14

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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.