Home / 12,547.74-17,301.70-8,004.36

Finding the Fourth Proportional to 12,547.74, 17,301.70 and 8,004.36

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Solution

The fourth proportional to 12,547.74, 17,301.70 and 8,004.36 is: 11,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.74 : 17,301.70 = 8,004.36 : x
  2. Step 2: Convert to fraction form
    12,547.74/17,301.70 = 8,004.36/x
  3. Step 3: Cross multiply
    12,547.74x = 17,301.70 × 8,004.36
  4. Step 4: Simplify right side
    12,547.74x = 138,489,035.41
  5. Step 5: Solve for x
    x = 138,489,035.41/12,547.74
  6. Step 6: Final answer
    x = 11,036.97

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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.