Home / 12,393.02-17,101.77-7,088.42

Finding the Fourth Proportional to 12,393.02, 17,101.77 and 7,088.42

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Solution

The fourth proportional to 12,393.02, 17,101.77 and 7,088.42 is: 9,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.02 : 17,101.77 = 7,088.42 : x
  2. Step 2: Convert to fraction form
    12,393.02/17,101.77 = 7,088.42/x
  3. Step 3: Cross multiply
    12,393.02x = 17,101.77 × 7,088.42
  4. Step 4: Simplify right side
    12,393.02x = 121,224,528.50
  5. Step 5: Solve for x
    x = 121,224,528.50/12,393.02
  6. Step 6: Final answer
    x = 9,781.68

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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.