Home / 12,490.01-17,235.48-6,823.63

Finding the Fourth Proportional to 12,490.01, 17,235.48 and 6,823.63

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Solution

The fourth proportional to 12,490.01, 17,235.48 and 6,823.63 is: 9,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.01 : 17,235.48 = 6,823.63 : x
  2. Step 2: Convert to fraction form
    12,490.01/17,235.48 = 6,823.63/x
  3. Step 3: Cross multiply
    12,490.01x = 17,235.48 × 6,823.63
  4. Step 4: Simplify right side
    12,490.01x = 117,608,518.11
  5. Step 5: Solve for x
    x = 117,608,518.11/12,490.01
  6. Step 6: Final answer
    x = 9,416.21

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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.