Home / 11,813.34-16,302.47-6,508.05

Finding the Fourth Proportional to 11,813.34, 16,302.47 and 6,508.05

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Solution

The fourth proportional to 11,813.34, 16,302.47 and 6,508.05 is: 8,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.34 : 16,302.47 = 6,508.05 : x
  2. Step 2: Convert to fraction form
    11,813.34/16,302.47 = 6,508.05/x
  3. Step 3: Cross multiply
    11,813.34x = 16,302.47 × 6,508.05
  4. Step 4: Simplify right side
    11,813.34x = 106,097,196.21
  5. Step 5: Solve for x
    x = 106,097,196.21/11,813.34
  6. Step 6: Final answer
    x = 8,981.13

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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.