Home / 12,437.13-18,655.76-3,203.13

Finding the Fourth Proportional to 12,437.13, 18,655.76 and 3,203.13

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Solution

The fourth proportional to 12,437.13, 18,655.76 and 3,203.13 is: 4,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.13 : 18,655.76 = 3,203.13 : x
  2. Step 2: Convert to fraction form
    12,437.13/18,655.76 = 3,203.13/x
  3. Step 3: Cross multiply
    12,437.13x = 18,655.76 × 3,203.13
  4. Step 4: Simplify right side
    12,437.13x = 59,756,715.23
  5. Step 5: Solve for x
    x = 59,756,715.23/12,437.13
  6. Step 6: Final answer
    x = 4,804.70

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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.