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Finding the Fourth Proportional to 9,117.63, 13,683.98 and 7,050.24

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Solution

The fourth proportional to 9,117.63, 13,683.98 and 7,050.24 is: 10,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.63 : 13,683.98 = 7,050.24 : x
  2. Step 2: Convert to fraction form
    9,117.63/13,683.98 = 7,050.24/x
  3. Step 3: Cross multiply
    9,117.63x = 13,683.98 × 7,050.24
  4. Step 4: Simplify right side
    9,117.63x = 96,475,307.90
  5. Step 5: Solve for x
    x = 96,475,307.90/9,117.63
  6. Step 6: Final answer
    x = 10,581.18

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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.