Home / 11,582.48-15,981.36-6,868.28

Finding the Fourth Proportional to 11,582.48, 15,981.36 and 6,868.28

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Solution

The fourth proportional to 11,582.48, 15,981.36 and 6,868.28 is: 9,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.48 : 15,981.36 = 6,868.28 : x
  2. Step 2: Convert to fraction form
    11,582.48/15,981.36 = 6,868.28/x
  3. Step 3: Cross multiply
    11,582.48x = 15,981.36 × 6,868.28
  4. Step 4: Simplify right side
    11,582.48x = 109,764,455.26
  5. Step 5: Solve for x
    x = 109,764,455.26/11,582.48
  6. Step 6: Final answer
    x = 9,476.77

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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.