Home / 12,507.28-17,266.31-9,668.24

Finding the Fourth Proportional to 12,507.28, 17,266.31 and 9,668.24

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Solution

The fourth proportional to 12,507.28, 17,266.31 and 9,668.24 is: 13,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.28 : 17,266.31 = 9,668.24 : x
  2. Step 2: Convert to fraction form
    12,507.28/17,266.31 = 9,668.24/x
  3. Step 3: Cross multiply
    12,507.28x = 17,266.31 × 9,668.24
  4. Step 4: Simplify right side
    12,507.28x = 166,934,828.99
  5. Step 5: Solve for x
    x = 166,934,828.99/12,507.28
  6. Step 6: Final answer
    x = 13,347.01

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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.