Home / 11,266.48-15,549.63-6,790.91

Finding the Fourth Proportional to 11,266.48, 15,549.63 and 6,790.91

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Solution

The fourth proportional to 11,266.48, 15,549.63 and 6,790.91 is: 9,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.48 : 15,549.63 = 6,790.91 : x
  2. Step 2: Convert to fraction form
    11,266.48/15,549.63 = 6,790.91/x
  3. Step 3: Cross multiply
    11,266.48x = 15,549.63 × 6,790.91
  4. Step 4: Simplify right side
    11,266.48x = 105,596,137.86
  5. Step 5: Solve for x
    x = 105,596,137.86/11,266.48
  6. Step 6: Final answer
    x = 9,372.60

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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.