Home / 9,899.61-14,851.59-3,325.62

Finding the Fourth Proportional to 9,899.61, 14,851.59 and 3,325.62

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Solution

The fourth proportional to 9,899.61, 14,851.59 and 3,325.62 is: 4,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.61 : 14,851.59 = 3,325.62 : x
  2. Step 2: Convert to fraction form
    9,899.61/14,851.59 = 3,325.62/x
  3. Step 3: Cross multiply
    9,899.61x = 14,851.59 × 3,325.62
  4. Step 4: Simplify right side
    9,899.61x = 49,390,744.74
  5. Step 5: Solve for x
    x = 49,390,744.74/9,899.61
  6. Step 6: Final answer
    x = 4,989.16

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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.