Home / 12,045.18-16,623.16-6,740.48

Finding the Fourth Proportional to 12,045.18, 16,623.16 and 6,740.48

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Solution

The fourth proportional to 12,045.18, 16,623.16 and 6,740.48 is: 9,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.18 : 16,623.16 = 6,740.48 : x
  2. Step 2: Convert to fraction form
    12,045.18/16,623.16 = 6,740.48/x
  3. Step 3: Cross multiply
    12,045.18x = 16,623.16 × 6,740.48
  4. Step 4: Simplify right side
    12,045.18x = 112,048,077.52
  5. Step 5: Solve for x
    x = 112,048,077.52/12,045.18
  6. Step 6: Final answer
    x = 9,302.32

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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.