Home / 11,011.63-16,525.55-7,312.63

Finding the Fourth Proportional to 11,011.63, 16,525.55 and 7,312.63

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Solution

The fourth proportional to 11,011.63, 16,525.55 and 7,312.63 is: 10,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.63 : 16,525.55 = 7,312.63 : x
  2. Step 2: Convert to fraction form
    11,011.63/16,525.55 = 7,312.63/x
  3. Step 3: Cross multiply
    11,011.63x = 16,525.55 × 7,312.63
  4. Step 4: Simplify right side
    11,011.63x = 120,845,196.13
  5. Step 5: Solve for x
    x = 120,845,196.13/11,011.63
  6. Step 6: Final answer
    x = 10,974.32

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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.