Home / 9,140.24-12,614.67-5,162.60

Finding the Fourth Proportional to 9,140.24, 12,614.67 and 5,162.60

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Solution

The fourth proportional to 9,140.24, 12,614.67 and 5,162.60 is: 7,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.24 : 12,614.67 = 5,162.60 : x
  2. Step 2: Convert to fraction form
    9,140.24/12,614.67 = 5,162.60/x
  3. Step 3: Cross multiply
    9,140.24x = 12,614.67 × 5,162.60
  4. Step 4: Simplify right side
    9,140.24x = 65,124,526.88
  5. Step 5: Solve for x
    x = 65,124,526.88/9,140.24
  6. Step 6: Final answer
    x = 7,125.03

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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.