Home / 9,515.76-13,131.77-5,324.01

Finding the Fourth Proportional to 9,515.76, 13,131.77 and 5,324.01

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Solution

The fourth proportional to 9,515.76, 13,131.77 and 5,324.01 is: 7,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.76 : 13,131.77 = 5,324.01 : x
  2. Step 2: Convert to fraction form
    9,515.76/13,131.77 = 5,324.01/x
  3. Step 3: Cross multiply
    9,515.76x = 13,131.77 × 5,324.01
  4. Step 4: Simplify right side
    9,515.76x = 69,913,648.18
  5. Step 5: Solve for x
    x = 69,913,648.18/9,515.76
  6. Step 6: Final answer
    x = 7,347.14

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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.