Home / 9,556.68-13,180.32-5,779.68

Finding the Fourth Proportional to 9,556.68, 13,180.32 and 5,779.68

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Solution

The fourth proportional to 9,556.68, 13,180.32 and 5,779.68 is: 7,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.68 : 13,180.32 = 5,779.68 : x
  2. Step 2: Convert to fraction form
    9,556.68/13,180.32 = 5,779.68/x
  3. Step 3: Cross multiply
    9,556.68x = 13,180.32 × 5,779.68
  4. Step 4: Simplify right side
    9,556.68x = 76,178,031.90
  5. Step 5: Solve for x
    x = 76,178,031.90/9,556.68
  6. Step 6: Final answer
    x = 7,971.18

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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.