Home / 11,340.60-15,653.28-7,569.24

Finding the Fourth Proportional to 11,340.60, 15,653.28 and 7,569.24

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Solution

The fourth proportional to 11,340.60, 15,653.28 and 7,569.24 is: 10,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.60 : 15,653.28 = 7,569.24 : x
  2. Step 2: Convert to fraction form
    11,340.60/15,653.28 = 7,569.24/x
  3. Step 3: Cross multiply
    11,340.60x = 15,653.28 × 7,569.24
  4. Step 4: Simplify right side
    11,340.60x = 118,483,433.11
  5. Step 5: Solve for x
    x = 118,483,433.11/11,340.60
  6. Step 6: Final answer
    x = 10,447.72

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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.