Home / 8,070.70-11,142.94-5,050.40

Finding the Fourth Proportional to 8,070.70, 11,142.94 and 5,050.40

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Solution

The fourth proportional to 8,070.70, 11,142.94 and 5,050.40 is: 6,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.70 : 11,142.94 = 5,050.40 : x
  2. Step 2: Convert to fraction form
    8,070.70/11,142.94 = 5,050.40/x
  3. Step 3: Cross multiply
    8,070.70x = 11,142.94 × 5,050.40
  4. Step 4: Simplify right side
    8,070.70x = 56,276,322.19
  5. Step 5: Solve for x
    x = 56,276,322.19/8,070.70
  6. Step 6: Final answer
    x = 6,972.92

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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.