Home / 10,619.92-14,655.20-5,904.08

Finding the Fourth Proportional to 10,619.92, 14,655.20 and 5,904.08

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Solution

The fourth proportional to 10,619.92, 14,655.20 and 5,904.08 is: 8,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.92 : 14,655.20 = 5,904.08 : x
  2. Step 2: Convert to fraction form
    10,619.92/14,655.20 = 5,904.08/x
  3. Step 3: Cross multiply
    10,619.92x = 14,655.20 × 5,904.08
  4. Step 4: Simplify right side
    10,619.92x = 86,525,473.22
  5. Step 5: Solve for x
    x = 86,525,473.22/10,619.92
  6. Step 6: Final answer
    x = 8,147.47

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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.