Home / 9,896.31-13,656.51-5,915.07

Finding the Fourth Proportional to 9,896.31, 13,656.51 and 5,915.07

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Solution

The fourth proportional to 9,896.31, 13,656.51 and 5,915.07 is: 8,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.31 : 13,656.51 = 5,915.07 : x
  2. Step 2: Convert to fraction form
    9,896.31/13,656.51 = 5,915.07/x
  3. Step 3: Cross multiply
    9,896.31x = 13,656.51 × 5,915.07
  4. Step 4: Simplify right side
    9,896.31x = 80,779,212.61
  5. Step 5: Solve for x
    x = 80,779,212.61/9,896.31
  6. Step 6: Final answer
    x = 8,162.56

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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.