Home / 11,810.61-16,298.68-6,505.41

Finding the Fourth Proportional to 11,810.61, 16,298.68 and 6,505.41

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Solution

The fourth proportional to 11,810.61, 16,298.68 and 6,505.41 is: 8,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.61 : 16,298.68 = 6,505.41 : x
  2. Step 2: Convert to fraction form
    11,810.61/16,298.68 = 6,505.41/x
  3. Step 3: Cross multiply
    11,810.61x = 16,298.68 × 6,505.41
  4. Step 4: Simplify right side
    11,810.61x = 106,029,603.99
  5. Step 5: Solve for x
    x = 106,029,603.99/11,810.61
  6. Step 6: Final answer
    x = 8,977.49

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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.