Home / 9,402.80-12,962.70-6,566.12

Finding the Fourth Proportional to 9,402.80, 12,962.70 and 6,566.12

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Solution

The fourth proportional to 9,402.80, 12,962.70 and 6,566.12 is: 9,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.80 : 12,962.70 = 6,566.12 : x
  2. Step 2: Convert to fraction form
    9,402.80/12,962.70 = 6,566.12/x
  3. Step 3: Cross multiply
    9,402.80x = 12,962.70 × 6,566.12
  4. Step 4: Simplify right side
    9,402.80x = 85,114,643.72
  5. Step 5: Solve for x
    x = 85,114,643.72/9,402.80
  6. Step 6: Final answer
    x = 9,052.05

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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.