Home / 9,143.64-12,623.58-6,005.34

Finding the Fourth Proportional to 9,143.64, 12,623.58 and 6,005.34

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Solution

The fourth proportional to 9,143.64, 12,623.58 and 6,005.34 is: 8,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.64 : 12,623.58 = 6,005.34 : x
  2. Step 2: Convert to fraction form
    9,143.64/12,623.58 = 6,005.34/x
  3. Step 3: Cross multiply
    9,143.64x = 12,623.58 × 6,005.34
  4. Step 4: Simplify right side
    9,143.64x = 75,808,889.92
  5. Step 5: Solve for x
    x = 75,808,889.92/9,143.64
  6. Step 6: Final answer
    x = 8,290.89

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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.