Home / 13,271.64-18,317.46-7,610.19

Finding the Fourth Proportional to 13,271.64, 18,317.46 and 7,610.19

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Solution

The fourth proportional to 13,271.64, 18,317.46 and 7,610.19 is: 10,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.64 : 18,317.46 = 7,610.19 : x
  2. Step 2: Convert to fraction form
    13,271.64/18,317.46 = 7,610.19/x
  3. Step 3: Cross multiply
    13,271.64x = 18,317.46 × 7,610.19
  4. Step 4: Simplify right side
    13,271.64x = 139,399,350.92
  5. Step 5: Solve for x
    x = 139,399,350.92/13,271.64
  6. Step 6: Final answer
    x = 10,503.55

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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.