Home / 7,650.48-11,478.78-3,492.45

Finding the Fourth Proportional to 7,650.48, 11,478.78 and 3,492.45

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Solution

The fourth proportional to 7,650.48, 11,478.78 and 3,492.45 is: 5,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.48 : 11,478.78 = 3,492.45 : x
  2. Step 2: Convert to fraction form
    7,650.48/11,478.78 = 3,492.45/x
  3. Step 3: Cross multiply
    7,650.48x = 11,478.78 × 3,492.45
  4. Step 4: Simplify right side
    7,650.48x = 40,089,065.21
  5. Step 5: Solve for x
    x = 40,089,065.21/7,650.48
  6. Step 6: Final answer
    x = 5,240.07

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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.