Home / 13,268.07-18,312.55-7,606.62

Finding the Fourth Proportional to 13,268.07, 18,312.55 and 7,606.62

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Solution

The fourth proportional to 13,268.07, 18,312.55 and 7,606.62 is: 10,498.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.07 : 18,312.55 = 7,606.62 : x
  2. Step 2: Convert to fraction form
    13,268.07/18,312.55 = 7,606.62/x
  3. Step 3: Cross multiply
    13,268.07x = 18,312.55 × 7,606.62
  4. Step 4: Simplify right side
    13,268.07x = 139,296,609.08
  5. Step 5: Solve for x
    x = 139,296,609.08/13,268.07
  6. Step 6: Final answer
    x = 10,498.63

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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.