Home / 12,424.23-17,148.65-8,648.01

Finding the Fourth Proportional to 12,424.23, 17,148.65 and 8,648.01

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Solution

The fourth proportional to 12,424.23, 17,148.65 and 8,648.01 is: 11,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.23 : 17,148.65 = 8,648.01 : x
  2. Step 2: Convert to fraction form
    12,424.23/17,148.65 = 8,648.01/x
  3. Step 3: Cross multiply
    12,424.23x = 17,148.65 × 8,648.01
  4. Step 4: Simplify right side
    12,424.23x = 148,301,653.45
  5. Step 5: Solve for x
    x = 148,301,653.45/12,424.23
  6. Step 6: Final answer
    x = 11,936.49

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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.