Home / 12,507.24-18,755.10-4,711.08

Finding the Fourth Proportional to 12,507.24, 18,755.10 and 4,711.08

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Solution

The fourth proportional to 12,507.24, 18,755.10 and 4,711.08 is: 7,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.24 : 18,755.10 = 4,711.08 : x
  2. Step 2: Convert to fraction form
    12,507.24/18,755.10 = 4,711.08/x
  3. Step 3: Cross multiply
    12,507.24x = 18,755.10 × 4,711.08
  4. Step 4: Simplify right side
    12,507.24x = 88,356,776.51
  5. Step 5: Solve for x
    x = 88,356,776.51/12,507.24
  6. Step 6: Final answer
    x = 7,064.45

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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.