Home / 9,895.90-13,657.37-5,865.13

Finding the Fourth Proportional to 9,895.90, 13,657.37 and 5,865.13

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Solution

The fourth proportional to 9,895.90, 13,657.37 and 5,865.13 is: 8,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.90 : 13,657.37 = 5,865.13 : x
  2. Step 2: Convert to fraction form
    9,895.90/13,657.37 = 5,865.13/x
  3. Step 3: Cross multiply
    9,895.90x = 13,657.37 × 5,865.13
  4. Step 4: Simplify right side
    9,895.90x = 80,102,152.90
  5. Step 5: Solve for x
    x = 80,102,152.90/9,895.90
  6. Step 6: Final answer
    x = 8,094.48

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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.