Home / 9,556.18-13,187.08-5,307.51

Finding the Fourth Proportional to 9,556.18, 13,187.08 and 5,307.51

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Solution

The fourth proportional to 9,556.18, 13,187.08 and 5,307.51 is: 7,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.18 : 13,187.08 = 5,307.51 : x
  2. Step 2: Convert to fraction form
    9,556.18/13,187.08 = 5,307.51/x
  3. Step 3: Cross multiply
    9,556.18x = 13,187.08 × 5,307.51
  4. Step 4: Simplify right side
    9,556.18x = 69,990,578.67
  5. Step 5: Solve for x
    x = 69,990,578.67/9,556.18
  6. Step 6: Final answer
    x = 7,324.12

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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.