Home / 15,347.40-23,010.30-5,983.80

Finding the Fourth Proportional to 15,347.40, 23,010.30 and 5,983.80

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Solution

The fourth proportional to 15,347.40, 23,010.30 and 5,983.80 is: 8,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.40 : 23,010.30 = 5,983.80 : x
  2. Step 2: Convert to fraction form
    15,347.40/23,010.30 = 5,983.80/x
  3. Step 3: Cross multiply
    15,347.40x = 23,010.30 × 5,983.80
  4. Step 4: Simplify right side
    15,347.40x = 137,689,033.14
  5. Step 5: Solve for x
    x = 137,689,033.14/15,347.40
  6. Step 6: Final answer
    x = 8,971.49

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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.