Home / 11,617.16-17,347.10-9,123.98

Finding the Fourth Proportional to 11,617.16, 17,347.10 and 9,123.98

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Solution

The fourth proportional to 11,617.16, 17,347.10 and 9,123.98 is: 13,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.16 : 17,347.10 = 9,123.98 : x
  2. Step 2: Convert to fraction form
    11,617.16/17,347.10 = 9,123.98/x
  3. Step 3: Cross multiply
    11,617.16x = 17,347.10 × 9,123.98
  4. Step 4: Simplify right side
    11,617.16x = 158,274,461.10
  5. Step 5: Solve for x
    x = 158,274,461.10/11,617.16
  6. Step 6: Final answer
    x = 13,624.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.