Home / 12,417.50-18,626.16-5,021.87

Finding the Fourth Proportional to 12,417.50, 18,626.16 and 5,021.87

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Solution

The fourth proportional to 12,417.50, 18,626.16 and 5,021.87 is: 7,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.50 : 18,626.16 = 5,021.87 : x
  2. Step 2: Convert to fraction form
    12,417.50/18,626.16 = 5,021.87/x
  3. Step 3: Cross multiply
    12,417.50x = 18,626.16 × 5,021.87
  4. Step 4: Simplify right side
    12,417.50x = 93,538,154.12
  5. Step 5: Solve for x
    x = 93,538,154.12/12,417.50
  6. Step 6: Final answer
    x = 7,532.77

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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.