Home / 9,895.93-13,656.36-5,419.96

Finding the Fourth Proportional to 9,895.93, 13,656.36 and 5,419.96

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Solution

The fourth proportional to 9,895.93, 13,656.36 and 5,419.96 is: 7,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.93 : 13,656.36 = 5,419.96 : x
  2. Step 2: Convert to fraction form
    9,895.93/13,656.36 = 5,419.96/x
  3. Step 3: Cross multiply
    9,895.93x = 13,656.36 × 5,419.96
  4. Step 4: Simplify right side
    9,895.93x = 74,016,924.95
  5. Step 5: Solve for x
    x = 74,016,924.95/9,895.93
  6. Step 6: Final answer
    x = 7,479.53

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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.