Home / 10,465.24-15,676.64-5,184.32

Finding the Fourth Proportional to 10,465.24, 15,676.64 and 5,184.32

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Solution

The fourth proportional to 10,465.24, 15,676.64 and 5,184.32 is: 7,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.24 : 15,676.64 = 5,184.32 : x
  2. Step 2: Convert to fraction form
    10,465.24/15,676.64 = 5,184.32/x
  3. Step 3: Cross multiply
    10,465.24x = 15,676.64 × 5,184.32
  4. Step 4: Simplify right side
    10,465.24x = 81,272,718.28
  5. Step 5: Solve for x
    x = 81,272,718.28/10,465.24
  6. Step 6: Final answer
    x = 7,765.97

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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.