Home / 10,431.49-15,647.26-3,036.13

Finding the Fourth Proportional to 10,431.49, 15,647.26 and 3,036.13

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Solution

The fourth proportional to 10,431.49, 15,647.26 and 3,036.13 is: 4,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.49 : 15,647.26 = 3,036.13 : x
  2. Step 2: Convert to fraction form
    10,431.49/15,647.26 = 3,036.13/x
  3. Step 3: Cross multiply
    10,431.49x = 15,647.26 × 3,036.13
  4. Step 4: Simplify right side
    10,431.49x = 47,507,115.50
  5. Step 5: Solve for x
    x = 47,507,115.50/10,431.49
  6. Step 6: Final answer
    x = 4,554.20

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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.