Home / 9,505.58-13,117.16-5,256.39

Finding the Fourth Proportional to 9,505.58, 13,117.16 and 5,256.39

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Solution

The fourth proportional to 9,505.58, 13,117.16 and 5,256.39 is: 7,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.58 : 13,117.16 = 5,256.39 : x
  2. Step 2: Convert to fraction form
    9,505.58/13,117.16 = 5,256.39/x
  3. Step 3: Cross multiply
    9,505.58x = 13,117.16 × 5,256.39
  4. Step 4: Simplify right side
    9,505.58x = 68,948,908.65
  5. Step 5: Solve for x
    x = 68,948,908.65/9,505.58
  6. Step 6: Final answer
    x = 7,253.52

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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.