Home / 9,666.08-13,339.68-5,475.68

Finding the Fourth Proportional to 9,666.08, 13,339.68 and 5,475.68

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Solution

The fourth proportional to 9,666.08, 13,339.68 and 5,475.68 is: 7,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.08 : 13,339.68 = 5,475.68 : x
  2. Step 2: Convert to fraction form
    9,666.08/13,339.68 = 5,475.68/x
  3. Step 3: Cross multiply
    9,666.08x = 13,339.68 × 5,475.68
  4. Step 4: Simplify right side
    9,666.08x = 73,043,818.98
  5. Step 5: Solve for x
    x = 73,043,818.98/9,666.08
  6. Step 6: Final answer
    x = 7,556.72

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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.