Home / 12,007.95-16,570.99-6,702.77

Finding the Fourth Proportional to 12,007.95, 16,570.99 and 6,702.77

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Solution

The fourth proportional to 12,007.95, 16,570.99 and 6,702.77 is: 9,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.95 : 16,570.99 = 6,702.77 : x
  2. Step 2: Convert to fraction form
    12,007.95/16,570.99 = 6,702.77/x
  3. Step 3: Cross multiply
    12,007.95x = 16,570.99 × 6,702.77
  4. Step 4: Simplify right side
    12,007.95x = 111,071,534.64
  5. Step 5: Solve for x
    x = 111,071,534.64/12,007.95
  6. Step 6: Final answer
    x = 9,249.83

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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.