Home / 9,001.48-13,509.43-4,071.55

Finding the Fourth Proportional to 9,001.48, 13,509.43 and 4,071.55

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Solution

The fourth proportional to 9,001.48, 13,509.43 and 4,071.55 is: 6,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.48 : 13,509.43 = 4,071.55 : x
  2. Step 2: Convert to fraction form
    9,001.48/13,509.43 = 4,071.55/x
  3. Step 3: Cross multiply
    9,001.48x = 13,509.43 × 4,071.55
  4. Step 4: Simplify right side
    9,001.48x = 55,004,319.72
  5. Step 5: Solve for x
    x = 55,004,319.72/9,001.48
  6. Step 6: Final answer
    x = 6,110.59

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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.