Home / 11,113.65-16,683.50-8,775.23

Finding the Fourth Proportional to 11,113.65, 16,683.50 and 8,775.23

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Solution

The fourth proportional to 11,113.65, 16,683.50 and 8,775.23 is: 13,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.65 : 16,683.50 = 8,775.23 : x
  2. Step 2: Convert to fraction form
    11,113.65/16,683.50 = 8,775.23/x
  3. Step 3: Cross multiply
    11,113.65x = 16,683.50 × 8,775.23
  4. Step 4: Simplify right side
    11,113.65x = 146,401,532.71
  5. Step 5: Solve for x
    x = 146,401,532.71/11,113.65
  6. Step 6: Final answer
    x = 13,173.13

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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.