Home / 9,515.80-13,133.46-5,536.60

Finding the Fourth Proportional to 9,515.80, 13,133.46 and 5,536.60

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Solution

The fourth proportional to 9,515.80, 13,133.46 and 5,536.60 is: 7,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.80 : 13,133.46 = 5,536.60 : x
  2. Step 2: Convert to fraction form
    9,515.80/13,133.46 = 5,536.60/x
  3. Step 3: Cross multiply
    9,515.80x = 13,133.46 × 5,536.60
  4. Step 4: Simplify right side
    9,515.80x = 72,714,714.64
  5. Step 5: Solve for x
    x = 72,714,714.64/9,515.80
  6. Step 6: Final answer
    x = 7,641.47

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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.