Home / 11,146.26-15,349.42-10,433.95

Finding the Fourth Proportional to 11,146.26, 15,349.42 and 10,433.95

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Solution

The fourth proportional to 11,146.26, 15,349.42 and 10,433.95 is: 14,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.26 : 15,349.42 = 10,433.95 : x
  2. Step 2: Convert to fraction form
    11,146.26/15,349.42 = 10,433.95/x
  3. Step 3: Cross multiply
    11,146.26x = 15,349.42 × 10,433.95
  4. Step 4: Simplify right side
    11,146.26x = 160,155,080.81
  5. Step 5: Solve for x
    x = 160,155,080.81/11,146.26
  6. Step 6: Final answer
    x = 14,368.50

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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.