Home / 11,093.40-15,307.20-6,617.16

Finding the Fourth Proportional to 11,093.40, 15,307.20 and 6,617.16

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Solution

The fourth proportional to 11,093.40, 15,307.20 and 6,617.16 is: 9,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.40 : 15,307.20 = 6,617.16 : x
  2. Step 2: Convert to fraction form
    11,093.40/15,307.20 = 6,617.16/x
  3. Step 3: Cross multiply
    11,093.40x = 15,307.20 × 6,617.16
  4. Step 4: Simplify right side
    11,093.40x = 101,290,191.55
  5. Step 5: Solve for x
    x = 101,290,191.55/11,093.40
  6. Step 6: Final answer
    x = 9,130.67

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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.