Home / 8,256.04-11,390.88-4,670.80

Finding the Fourth Proportional to 8,256.04, 11,390.88 and 4,670.80

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Solution

The fourth proportional to 8,256.04, 11,390.88 and 4,670.80 is: 6,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.04 : 11,390.88 = 4,670.80 : x
  2. Step 2: Convert to fraction form
    8,256.04/11,390.88 = 4,670.80/x
  3. Step 3: Cross multiply
    8,256.04x = 11,390.88 × 4,670.80
  4. Step 4: Simplify right side
    8,256.04x = 53,204,522.30
  5. Step 5: Solve for x
    x = 53,204,522.30/8,256.04
  6. Step 6: Final answer
    x = 6,444.31

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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.