Home / 11,430.42-17,145.63-4,851.99

Finding the Fourth Proportional to 11,430.42, 17,145.63 and 4,851.99

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Solution

The fourth proportional to 11,430.42, 17,145.63 and 4,851.99 is: 7,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.42 : 17,145.63 = 4,851.99 : x
  2. Step 2: Convert to fraction form
    11,430.42/17,145.63 = 4,851.99/x
  3. Step 3: Cross multiply
    11,430.42x = 17,145.63 × 4,851.99
  4. Step 4: Simplify right side
    11,430.42x = 83,190,425.30
  5. Step 5: Solve for x
    x = 83,190,425.30/11,430.42
  6. Step 6: Final answer
    x = 7,277.99

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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.