Home / 12,547.93-18,829.18-5,622.43

Finding the Fourth Proportional to 12,547.93, 18,829.18 and 5,622.43

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Solution

The fourth proportional to 12,547.93, 18,829.18 and 5,622.43 is: 8,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.93 : 18,829.18 = 5,622.43 : x
  2. Step 2: Convert to fraction form
    12,547.93/18,829.18 = 5,622.43/x
  3. Step 3: Cross multiply
    12,547.93x = 18,829.18 × 5,622.43
  4. Step 4: Simplify right side
    12,547.93x = 105,865,624.25
  5. Step 5: Solve for x
    x = 105,865,624.25/12,547.93
  6. Step 6: Final answer
    x = 8,436.90

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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.