Home / 12,731.51-17,569.22-7,065.93

Finding the Fourth Proportional to 12,731.51, 17,569.22 and 7,065.93

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Solution

The fourth proportional to 12,731.51, 17,569.22 and 7,065.93 is: 9,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.51 : 17,569.22 = 7,065.93 : x
  2. Step 2: Convert to fraction form
    12,731.51/17,569.22 = 7,065.93/x
  3. Step 3: Cross multiply
    12,731.51x = 17,569.22 × 7,065.93
  4. Step 4: Simplify right side
    12,731.51x = 124,142,803.96
  5. Step 5: Solve for x
    x = 124,142,803.96/12,731.51
  6. Step 6: Final answer
    x = 9,750.83

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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.