Home / 11,009.90-16,482.45-7,316.30

Finding the Fourth Proportional to 11,009.90, 16,482.45 and 7,316.30

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Solution

The fourth proportional to 11,009.90, 16,482.45 and 7,316.30 is: 10,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.90 : 16,482.45 = 7,316.30 : x
  2. Step 2: Convert to fraction form
    11,009.90/16,482.45 = 7,316.30/x
  3. Step 3: Cross multiply
    11,009.90x = 16,482.45 × 7,316.30
  4. Step 4: Simplify right side
    11,009.90x = 120,590,548.94
  5. Step 5: Solve for x
    x = 120,590,548.94/11,009.90
  6. Step 6: Final answer
    x = 10,952.92

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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.