Home / 9,556.74-13,187.76-5,307.72

Finding the Fourth Proportional to 9,556.74, 13,187.76 and 5,307.72

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Solution

The fourth proportional to 9,556.74, 13,187.76 and 5,307.72 is: 7,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.74 : 13,187.76 = 5,307.72 : x
  2. Step 2: Convert to fraction form
    9,556.74/13,187.76 = 5,307.72/x
  3. Step 3: Cross multiply
    9,556.74x = 13,187.76 × 5,307.72
  4. Step 4: Simplify right side
    9,556.74x = 69,996,937.51
  5. Step 5: Solve for x
    x = 69,996,937.51/9,556.74
  6. Step 6: Final answer
    x = 7,324.35

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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.