Home / 10,690.49-16,038.35-7,534.09

Finding the Fourth Proportional to 10,690.49, 16,038.35 and 7,534.09

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Solution

The fourth proportional to 10,690.49, 16,038.35 and 7,534.09 is: 11,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.49 : 16,038.35 = 7,534.09 : x
  2. Step 2: Convert to fraction form
    10,690.49/16,038.35 = 7,534.09/x
  3. Step 3: Cross multiply
    10,690.49x = 16,038.35 × 7,534.09
  4. Step 4: Simplify right side
    10,690.49x = 120,834,254.49
  5. Step 5: Solve for x
    x = 120,834,254.49/10,690.49
  6. Step 6: Final answer
    x = 11,302.97

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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.