Home / 13,052.72-18,011.40-7,464.08

Finding the Fourth Proportional to 13,052.72, 18,011.40 and 7,464.08

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Solution

The fourth proportional to 13,052.72, 18,011.40 and 7,464.08 is: 10,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.72 : 18,011.40 = 7,464.08 : x
  2. Step 2: Convert to fraction form
    13,052.72/18,011.40 = 7,464.08/x
  3. Step 3: Cross multiply
    13,052.72x = 18,011.40 × 7,464.08
  4. Step 4: Simplify right side
    13,052.72x = 134,438,530.51
  5. Step 5: Solve for x
    x = 134,438,530.51/13,052.72
  6. Step 6: Final answer
    x = 10,299.66

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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.