Home / 10,348.31-15,419.70-9,846.23

Finding the Fourth Proportional to 10,348.31, 15,419.70 and 9,846.23

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Solution

The fourth proportional to 10,348.31, 15,419.70 and 9,846.23 is: 14,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.31 : 15,419.70 = 9,846.23 : x
  2. Step 2: Convert to fraction form
    10,348.31/15,419.70 = 9,846.23/x
  3. Step 3: Cross multiply
    10,348.31x = 15,419.70 × 9,846.23
  4. Step 4: Simplify right side
    10,348.31x = 151,825,835.63
  5. Step 5: Solve for x
    x = 151,825,835.63/10,348.31
  6. Step 6: Final answer
    x = 14,671.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.