Home / 10,313.64-15,462.06-5,116.68

Finding the Fourth Proportional to 10,313.64, 15,462.06 and 5,116.68

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Solution

The fourth proportional to 10,313.64, 15,462.06 and 5,116.68 is: 7,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.64 : 15,462.06 = 5,116.68 : x
  2. Step 2: Convert to fraction form
    10,313.64/15,462.06 = 5,116.68/x
  3. Step 3: Cross multiply
    10,313.64x = 15,462.06 × 5,116.68
  4. Step 4: Simplify right side
    10,313.64x = 79,114,413.16
  5. Step 5: Solve for x
    x = 79,114,413.16/10,313.64
  6. Step 6: Final answer
    x = 7,670.85

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1.5x scale

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.