Home / 12,045.80-16,623.06-6,740.66

Finding the Fourth Proportional to 12,045.80, 16,623.06 and 6,740.66

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Solution

The fourth proportional to 12,045.80, 16,623.06 and 6,740.66 is: 9,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.80 : 16,623.06 = 6,740.66 : x
  2. Step 2: Convert to fraction form
    12,045.80/16,623.06 = 6,740.66/x
  3. Step 3: Cross multiply
    12,045.80x = 16,623.06 × 6,740.66
  4. Step 4: Simplify right side
    12,045.80x = 112,050,395.62
  5. Step 5: Solve for x
    x = 112,050,395.62/12,045.80
  6. Step 6: Final answer
    x = 9,302.03

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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.