Home / 12,072.48-16,665.84-7,598.40

Finding the Fourth Proportional to 12,072.48, 16,665.84 and 7,598.40

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Solution

The fourth proportional to 12,072.48, 16,665.84 and 7,598.40 is: 10,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.48 : 16,665.84 = 7,598.40 : x
  2. Step 2: Convert to fraction form
    12,072.48/16,665.84 = 7,598.40/x
  3. Step 3: Cross multiply
    12,072.48x = 16,665.84 × 7,598.40
  4. Step 4: Simplify right side
    12,072.48x = 126,633,718.66
  5. Step 5: Solve for x
    x = 126,633,718.66/12,072.48
  6. Step 6: Final answer
    x = 10,489.45

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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.