Home / 11,396.60-15,725.58-6,919.52

Finding the Fourth Proportional to 11,396.60, 15,725.58 and 6,919.52

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Solution

The fourth proportional to 11,396.60, 15,725.58 and 6,919.52 is: 9,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.60 : 15,725.58 = 6,919.52 : x
  2. Step 2: Convert to fraction form
    11,396.60/15,725.58 = 6,919.52/x
  3. Step 3: Cross multiply
    11,396.60x = 15,725.58 × 6,919.52
  4. Step 4: Simplify right side
    11,396.60x = 108,813,465.32
  5. Step 5: Solve for x
    x = 108,813,465.32/11,396.60
  6. Step 6: Final answer
    x = 9,547.89

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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.