Home / 12,336.10-17,022.76-7,030.80

Finding the Fourth Proportional to 12,336.10, 17,022.76 and 7,030.80

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Solution

The fourth proportional to 12,336.10, 17,022.76 and 7,030.80 is: 9,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.10 : 17,022.76 = 7,030.80 : x
  2. Step 2: Convert to fraction form
    12,336.10/17,022.76 = 7,030.80/x
  3. Step 3: Cross multiply
    12,336.10x = 17,022.76 × 7,030.80
  4. Step 4: Simplify right side
    12,336.10x = 119,683,603.43
  5. Step 5: Solve for x
    x = 119,683,603.43/12,336.10
  6. Step 6: Final answer
    x = 9,701.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.