Home / 10,666.08-15,998.76-6,788.16

Finding the Fourth Proportional to 10,666.08, 15,998.76 and 6,788.16

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Solution

The fourth proportional to 10,666.08, 15,998.76 and 6,788.16 is: 10,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.08 : 15,998.76 = 6,788.16 : x
  2. Step 2: Convert to fraction form
    10,666.08/15,998.76 = 6,788.16/x
  3. Step 3: Cross multiply
    10,666.08x = 15,998.76 × 6,788.16
  4. Step 4: Simplify right side
    10,666.08x = 108,602,142.68
  5. Step 5: Solve for x
    x = 108,602,142.68/10,666.08
  6. Step 6: Final answer
    x = 10,182.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.