Home / 9,685.16-14,526.36-3,111.92

Finding the Fourth Proportional to 9,685.16, 14,526.36 and 3,111.92

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Solution

The fourth proportional to 9,685.16, 14,526.36 and 3,111.92 is: 4,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.16 : 14,526.36 = 3,111.92 : x
  2. Step 2: Convert to fraction form
    9,685.16/14,526.36 = 3,111.92/x
  3. Step 3: Cross multiply
    9,685.16x = 14,526.36 × 3,111.92
  4. Step 4: Simplify right side
    9,685.16x = 45,204,870.21
  5. Step 5: Solve for x
    x = 45,204,870.21/9,685.16
  6. Step 6: Final answer
    x = 4,667.44

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Double scale
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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.