Home / 7,896.31-10,896.35-4,539.11

Finding the Fourth Proportional to 7,896.31, 10,896.35 and 4,539.11

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Solution

The fourth proportional to 7,896.31, 10,896.35 and 4,539.11 is: 6,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.31 : 10,896.35 = 4,539.11 : x
  2. Step 2: Convert to fraction form
    7,896.31/10,896.35 = 4,539.11/x
  3. Step 3: Cross multiply
    7,896.31x = 10,896.35 × 4,539.11
  4. Step 4: Simplify right side
    7,896.31x = 49,459,654.07
  5. Step 5: Solve for x
    x = 49,459,654.07/7,896.31
  6. Step 6: Final answer
    x = 6,263.64

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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.