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Finding the Fourth Proportional to 7,852.88, 10,837.02 and 4,316.12

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Solution

The fourth proportional to 7,852.88, 10,837.02 and 4,316.12 is: 5,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.88 : 10,837.02 = 4,316.12 : x
  2. Step 2: Convert to fraction form
    7,852.88/10,837.02 = 4,316.12/x
  3. Step 3: Cross multiply
    7,852.88x = 10,837.02 × 4,316.12
  4. Step 4: Simplify right side
    7,852.88x = 46,773,878.76
  5. Step 5: Solve for x
    x = 46,773,878.76/7,852.88
  6. Step 6: Final answer
    x = 5,956.27

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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.