Home / 9,071.79-13,601.76-3,810.16

Finding the Fourth Proportional to 9,071.79, 13,601.76 and 3,810.16

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Solution

The fourth proportional to 9,071.79, 13,601.76 and 3,810.16 is: 5,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.79 : 13,601.76 = 3,810.16 : x
  2. Step 2: Convert to fraction form
    9,071.79/13,601.76 = 3,810.16/x
  3. Step 3: Cross multiply
    9,071.79x = 13,601.76 × 3,810.16
  4. Step 4: Simplify right side
    9,071.79x = 51,824,881.88
  5. Step 5: Solve for x
    x = 51,824,881.88/9,071.79
  6. Step 6: Final answer
    x = 5,712.75

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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.