Home / 10,412.52-15,616.36-3,015.32

Finding the Fourth Proportional to 10,412.52, 15,616.36 and 3,015.32

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Solution

The fourth proportional to 10,412.52, 15,616.36 and 3,015.32 is: 4,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.52 : 15,616.36 = 3,015.32 : x
  2. Step 2: Convert to fraction form
    10,412.52/15,616.36 = 3,015.32/x
  3. Step 3: Cross multiply
    10,412.52x = 15,616.36 × 3,015.32
  4. Step 4: Simplify right side
    10,412.52x = 47,088,322.64
  5. Step 5: Solve for x
    x = 47,088,322.64/10,412.52
  6. Step 6: Final answer
    x = 4,522.28

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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.