Home / 12,397.11-17,106.22-7,090.93

Finding the Fourth Proportional to 12,397.11, 17,106.22 and 7,090.93

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Solution

The fourth proportional to 12,397.11, 17,106.22 and 7,090.93 is: 9,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.11 : 17,106.22 = 7,090.93 : x
  2. Step 2: Convert to fraction form
    12,397.11/17,106.22 = 7,090.93/x
  3. Step 3: Cross multiply
    12,397.11x = 17,106.22 × 7,090.93
  4. Step 4: Simplify right side
    12,397.11x = 121,299,008.58
  5. Step 5: Solve for x
    x = 121,299,008.58/12,397.11
  6. Step 6: Final answer
    x = 9,784.46

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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.