Home / 9,556.53-13,187.81-5,307.36

Finding the Fourth Proportional to 9,556.53, 13,187.81 and 5,307.36

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Solution

The fourth proportional to 9,556.53, 13,187.81 and 5,307.36 is: 7,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.53 : 13,187.81 = 5,307.36 : x
  2. Step 2: Convert to fraction form
    9,556.53/13,187.81 = 5,307.36/x
  3. Step 3: Cross multiply
    9,556.53x = 13,187.81 × 5,307.36
  4. Step 4: Simplify right side
    9,556.53x = 69,992,362.81
  5. Step 5: Solve for x
    x = 69,992,362.81/9,556.53
  6. Step 6: Final answer
    x = 7,324.04

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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.