Home / 10,891.04-16,303.55-9,851.49

Finding the Fourth Proportional to 10,891.04, 16,303.55 and 9,851.49

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Solution

The fourth proportional to 10,891.04, 16,303.55 and 9,851.49 is: 14,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.04 : 16,303.55 = 9,851.49 : x
  2. Step 2: Convert to fraction form
    10,891.04/16,303.55 = 9,851.49/x
  3. Step 3: Cross multiply
    10,891.04x = 16,303.55 × 9,851.49
  4. Step 4: Simplify right side
    10,891.04x = 160,614,210.53
  5. Step 5: Solve for x
    x = 160,614,210.53/10,891.04
  6. Step 6: Final answer
    x = 14,747.38

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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.