Home / 11,293.12-15,549.72-10,031.98

Finding the Fourth Proportional to 11,293.12, 15,549.72 and 10,031.98

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Solution

The fourth proportional to 11,293.12, 15,549.72 and 10,031.98 is: 13,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.12 : 15,549.72 = 10,031.98 : x
  2. Step 2: Convert to fraction form
    11,293.12/15,549.72 = 10,031.98/x
  3. Step 3: Cross multiply
    11,293.12x = 15,549.72 × 10,031.98
  4. Step 4: Simplify right side
    11,293.12x = 155,994,480.05
  5. Step 5: Solve for x
    x = 155,994,480.05/11,293.12
  6. Step 6: Final answer
    x = 13,813.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.