Home / 8,292.04-11,445.30-5,643.88

Finding the Fourth Proportional to 8,292.04, 11,445.30 and 5,643.88

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Solution

The fourth proportional to 8,292.04, 11,445.30 and 5,643.88 is: 7,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.04 : 11,445.30 = 5,643.88 : x
  2. Step 2: Convert to fraction form
    8,292.04/11,445.30 = 5,643.88/x
  3. Step 3: Cross multiply
    8,292.04x = 11,445.30 × 5,643.88
  4. Step 4: Simplify right side
    8,292.04x = 64,595,899.76
  5. Step 5: Solve for x
    x = 64,595,899.76/8,292.04
  6. Step 6: Final answer
    x = 7,790.11

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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.