Home / 10,993.12-16,482.16-5,291.07

Finding the Fourth Proportional to 10,993.12, 16,482.16 and 5,291.07

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Solution

The fourth proportional to 10,993.12, 16,482.16 and 5,291.07 is: 7,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.12 : 16,482.16 = 5,291.07 : x
  2. Step 2: Convert to fraction form
    10,993.12/16,482.16 = 5,291.07/x
  3. Step 3: Cross multiply
    10,993.12x = 16,482.16 × 5,291.07
  4. Step 4: Simplify right side
    10,993.12x = 87,208,207.12
  5. Step 5: Solve for x
    x = 87,208,207.12/10,993.12
  6. Step 6: Final answer
    x = 7,932.98

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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.