Home / 12,935.16-19,397.70-5,543.16

Finding the Fourth Proportional to 12,935.16, 19,397.70 and 5,543.16

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Solution

The fourth proportional to 12,935.16, 19,397.70 and 5,543.16 is: 8,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.16 : 19,397.70 = 5,543.16 : x
  2. Step 2: Convert to fraction form
    12,935.16/19,397.70 = 5,543.16/x
  3. Step 3: Cross multiply
    12,935.16x = 19,397.70 × 5,543.16
  4. Step 4: Simplify right side
    12,935.16x = 107,524,554.73
  5. Step 5: Solve for x
    x = 107,524,554.73/12,935.16
  6. Step 6: Final answer
    x = 8,312.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.