Home / 8,385.63-11,571.50-4,849.07

Finding the Fourth Proportional to 8,385.63, 11,571.50 and 4,849.07

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Solution

The fourth proportional to 8,385.63, 11,571.50 and 4,849.07 is: 6,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.63 : 11,571.50 = 4,849.07 : x
  2. Step 2: Convert to fraction form
    8,385.63/11,571.50 = 4,849.07/x
  3. Step 3: Cross multiply
    8,385.63x = 11,571.50 × 4,849.07
  4. Step 4: Simplify right side
    8,385.63x = 56,111,013.51
  5. Step 5: Solve for x
    x = 56,111,013.51/8,385.63
  6. Step 6: Final answer
    x = 6,691.33

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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.