Home / 10,988.03-16,482.02-2,668.05

Finding the Fourth Proportional to 10,988.03, 16,482.02 and 2,668.05

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Solution

The fourth proportional to 10,988.03, 16,482.02 and 2,668.05 is: 4,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.03 : 16,482.02 = 2,668.05 : x
  2. Step 2: Convert to fraction form
    10,988.03/16,482.02 = 2,668.05/x
  3. Step 3: Cross multiply
    10,988.03x = 16,482.02 × 2,668.05
  4. Step 4: Simplify right side
    10,988.03x = 43,974,874.84
  5. Step 5: Solve for x
    x = 43,974,874.84/10,988.03
  6. Step 6: Final answer
    x = 4,002.07

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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.