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Finding the Fourth Proportional to 9,124.06, 13,686.06 and 7,047.08

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Solution

The fourth proportional to 9,124.06, 13,686.06 and 7,047.08 is: 10,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.06 : 13,686.06 = 7,047.08 : x
  2. Step 2: Convert to fraction form
    9,124.06/13,686.06 = 7,047.08/x
  3. Step 3: Cross multiply
    9,124.06x = 13,686.06 × 7,047.08
  4. Step 4: Simplify right side
    9,124.06x = 96,446,759.70
  5. Step 5: Solve for x
    x = 96,446,759.70/9,124.06
  6. Step 6: Final answer
    x = 10,570.60

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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.