Home / 9,904.88-13,657.52-6,315.03

Finding the Fourth Proportional to 9,904.88, 13,657.52 and 6,315.03

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Solution

The fourth proportional to 9,904.88, 13,657.52 and 6,315.03 is: 8,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.88 : 13,657.52 = 6,315.03 : x
  2. Step 2: Convert to fraction form
    9,904.88/13,657.52 = 6,315.03/x
  3. Step 3: Cross multiply
    9,904.88x = 13,657.52 × 6,315.03
  4. Step 4: Simplify right side
    9,904.88x = 86,247,664.31
  5. Step 5: Solve for x
    x = 86,247,664.31/9,904.88
  6. Step 6: Final answer
    x = 8,707.59

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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.