Home / 10,656.92-15,986.48-4,088.60

Finding the Fourth Proportional to 10,656.92, 15,986.48 and 4,088.60

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Solution

The fourth proportional to 10,656.92, 15,986.48 and 4,088.60 is: 6,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.92 : 15,986.48 = 4,088.60 : x
  2. Step 2: Convert to fraction form
    10,656.92/15,986.48 = 4,088.60/x
  3. Step 3: Cross multiply
    10,656.92x = 15,986.48 × 4,088.60
  4. Step 4: Simplify right side
    10,656.92x = 65,362,322.13
  5. Step 5: Solve for x
    x = 65,362,322.13/10,656.92
  6. Step 6: Final answer
    x = 6,133.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.