Home / 12,291.51-18,437.30-4,496.07

Finding the Fourth Proportional to 12,291.51, 18,437.30 and 4,496.07

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Solution

The fourth proportional to 12,291.51, 18,437.30 and 4,496.07 is: 6,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.51 : 18,437.30 = 4,496.07 : x
  2. Step 2: Convert to fraction form
    12,291.51/18,437.30 = 4,496.07/x
  3. Step 3: Cross multiply
    12,291.51x = 18,437.30 × 4,496.07
  4. Step 4: Simplify right side
    12,291.51x = 82,895,368.93
  5. Step 5: Solve for x
    x = 82,895,368.93/12,291.51
  6. Step 6: Final answer
    x = 6,744.12

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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.