Home / 10,973.48-16,464.08-5,430.65

Finding the Fourth Proportional to 10,973.48, 16,464.08 and 5,430.65

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Solution

The fourth proportional to 10,973.48, 16,464.08 and 5,430.65 is: 8,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.48 : 16,464.08 = 5,430.65 : x
  2. Step 2: Convert to fraction form
    10,973.48/16,464.08 = 5,430.65/x
  3. Step 3: Cross multiply
    10,973.48x = 16,464.08 × 5,430.65
  4. Step 4: Simplify right side
    10,973.48x = 89,410,546.58
  5. Step 5: Solve for x
    x = 89,410,546.58/10,973.48
  6. Step 6: Final answer
    x = 8,147.88

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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.