Home / 8,216.57-11,341.01-5,070.94

Finding the Fourth Proportional to 8,216.57, 11,341.01 and 5,070.94

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Solution

The fourth proportional to 8,216.57, 11,341.01 and 5,070.94 is: 6,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.57 : 11,341.01 = 5,070.94 : x
  2. Step 2: Convert to fraction form
    8,216.57/11,341.01 = 5,070.94/x
  3. Step 3: Cross multiply
    8,216.57x = 11,341.01 × 5,070.94
  4. Step 4: Simplify right side
    8,216.57x = 57,509,565.57
  5. Step 5: Solve for x
    x = 57,509,565.57/8,216.57
  6. Step 6: Final answer
    x = 6,999.22

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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.