Home / 11,876.95-16,389.96-6,571.77

Finding the Fourth Proportional to 11,876.95, 16,389.96 and 6,571.77

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Solution

The fourth proportional to 11,876.95, 16,389.96 and 6,571.77 is: 9,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.95 : 16,389.96 = 6,571.77 : x
  2. Step 2: Convert to fraction form
    11,876.95/16,389.96 = 6,571.77/x
  3. Step 3: Cross multiply
    11,876.95x = 16,389.96 × 6,571.77
  4. Step 4: Simplify right side
    11,876.95x = 107,710,961.32
  5. Step 5: Solve for x
    x = 107,710,961.32/11,876.95
  6. Step 6: Final answer
    x = 9,068.91

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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.