Home / 12,590.36-17,374.02-7,001

Finding the Fourth Proportional to 12,590.36, 17,374.02 and 7,001

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Solution

The fourth proportional to 12,590.36, 17,374.02 and 7,001 is: 9,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.36 : 17,374.02 = 7,001 : x
  2. Step 2: Convert to fraction form
    12,590.36/17,374.02 = 7,001/x
  3. Step 3: Cross multiply
    12,590.36x = 17,374.02 × 7,001
  4. Step 4: Simplify right side
    12,590.36x = 121,635,514.02
  5. Step 5: Solve for x
    x = 121,635,514.02/12,590.36
  6. Step 6: Final answer
    x = 9,661.00

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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.