Home / 8,486.28-11,695.14-6,124.32

Finding the Fourth Proportional to 8,486.28, 11,695.14 and 6,124.32

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Solution

The fourth proportional to 8,486.28, 11,695.14 and 6,124.32 is: 8,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.28 : 11,695.14 = 6,124.32 : x
  2. Step 2: Convert to fraction form
    8,486.28/11,695.14 = 6,124.32/x
  3. Step 3: Cross multiply
    8,486.28x = 11,695.14 × 6,124.32
  4. Step 4: Simplify right side
    8,486.28x = 71,624,779.80
  5. Step 5: Solve for x
    x = 71,624,779.80/8,486.28
  6. Step 6: Final answer
    x = 8,440.07

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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.