Home / 8,585.04-11,847.40-4,808.20

Finding the Fourth Proportional to 8,585.04, 11,847.40 and 4,808.20

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Solution

The fourth proportional to 8,585.04, 11,847.40 and 4,808.20 is: 6,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.04 : 11,847.40 = 4,808.20 : x
  2. Step 2: Convert to fraction form
    8,585.04/11,847.40 = 4,808.20/x
  3. Step 3: Cross multiply
    8,585.04x = 11,847.40 × 4,808.20
  4. Step 4: Simplify right side
    8,585.04x = 56,964,668.68
  5. Step 5: Solve for x
    x = 56,964,668.68/8,585.04
  6. Step 6: Final answer
    x = 6,635.34

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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.