Home / 7,901.29-11,852.54-2,354.21

Finding the Fourth Proportional to 7,901.29, 11,852.54 and 2,354.21

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Solution

The fourth proportional to 7,901.29, 11,852.54 and 2,354.21 is: 3,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.29 : 11,852.54 = 2,354.21 : x
  2. Step 2: Convert to fraction form
    7,901.29/11,852.54 = 2,354.21/x
  3. Step 3: Cross multiply
    7,901.29x = 11,852.54 × 2,354.21
  4. Step 4: Simplify right side
    7,901.29x = 27,903,314.82
  5. Step 5: Solve for x
    x = 27,903,314.82/7,901.29
  6. Step 6: Final answer
    x = 3,531.49

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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.