Home / 9,412.08-12,985.56-6,267.12

Finding the Fourth Proportional to 9,412.08, 12,985.56 and 6,267.12

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Solution

The fourth proportional to 9,412.08, 12,985.56 and 6,267.12 is: 8,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.08 : 12,985.56 = 6,267.12 : x
  2. Step 2: Convert to fraction form
    9,412.08/12,985.56 = 6,267.12/x
  3. Step 3: Cross multiply
    9,412.08x = 12,985.56 × 6,267.12
  4. Step 4: Simplify right side
    9,412.08x = 81,382,062.79
  5. Step 5: Solve for x
    x = 81,382,062.79/9,412.08
  6. Step 6: Final answer
    x = 8,646.55

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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.