Home / 11,715.84-17,556.48-10,483.20

Finding the Fourth Proportional to 11,715.84, 17,556.48 and 10,483.20

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Solution

The fourth proportional to 11,715.84, 17,556.48 and 10,483.20 is: 15,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.84 : 17,556.48 = 10,483.20 : x
  2. Step 2: Convert to fraction form
    11,715.84/17,556.48 = 10,483.20/x
  3. Step 3: Cross multiply
    11,715.84x = 17,556.48 × 10,483.20
  4. Step 4: Simplify right side
    11,715.84x = 184,048,091.14
  5. Step 5: Solve for x
    x = 184,048,091.14/11,715.84
  6. Step 6: Final answer
    x = 15,709.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.