Home / 9,531.27-14,302.53-3,984.20

Finding the Fourth Proportional to 9,531.27, 14,302.53 and 3,984.20

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Solution

The fourth proportional to 9,531.27, 14,302.53 and 3,984.20 is: 5,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.27 : 14,302.53 = 3,984.20 : x
  2. Step 2: Convert to fraction form
    9,531.27/14,302.53 = 3,984.20/x
  3. Step 3: Cross multiply
    9,531.27x = 14,302.53 × 3,984.20
  4. Step 4: Simplify right side
    9,531.27x = 56,984,068.51
  5. Step 5: Solve for x
    x = 56,984,068.51/9,531.27
  6. Step 6: Final answer
    x = 5,978.64

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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.