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Finding the Fourth Proportional to 9,840.14, 14,721.93 and 9,012.72

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Solution

The fourth proportional to 9,840.14, 14,721.93 and 9,012.72 is: 13,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.14 : 14,721.93 = 9,012.72 : x
  2. Step 2: Convert to fraction form
    9,840.14/14,721.93 = 9,012.72/x
  3. Step 3: Cross multiply
    9,840.14x = 14,721.93 × 9,012.72
  4. Step 4: Simplify right side
    9,840.14x = 132,684,632.95
  5. Step 5: Solve for x
    x = 132,684,632.95/9,840.14
  6. Step 6: Final answer
    x = 13,484.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.