Home / 10,191.07-15,301.20-7,566.67

Finding the Fourth Proportional to 10,191.07, 15,301.20 and 7,566.67

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Solution

The fourth proportional to 10,191.07, 15,301.20 and 7,566.67 is: 11,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.07 : 15,301.20 = 7,566.67 : x
  2. Step 2: Convert to fraction form
    10,191.07/15,301.20 = 7,566.67/x
  3. Step 3: Cross multiply
    10,191.07x = 15,301.20 × 7,566.67
  4. Step 4: Simplify right side
    10,191.07x = 115,779,131.00
  5. Step 5: Solve for x
    x = 115,779,131.00/10,191.07
  6. Step 6: Final answer
    x = 11,360.84

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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.