Home / 11,003.16-16,466.40-9,005.70

Finding the Fourth Proportional to 11,003.16, 16,466.40 and 9,005.70

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Solution

The fourth proportional to 11,003.16, 16,466.40 and 9,005.70 is: 13,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.16 : 16,466.40 = 9,005.70 : x
  2. Step 2: Convert to fraction form
    11,003.16/16,466.40 = 9,005.70/x
  3. Step 3: Cross multiply
    11,003.16x = 16,466.40 × 9,005.70
  4. Step 4: Simplify right side
    11,003.16x = 148,291,458.48
  5. Step 5: Solve for x
    x = 148,291,458.48/11,003.16
  6. Step 6: Final answer
    x = 13,477.17

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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.