Home / 9,078.08-12,526.84-5,099.64

Finding the Fourth Proportional to 9,078.08, 12,526.84 and 5,099.64

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Solution

The fourth proportional to 9,078.08, 12,526.84 and 5,099.64 is: 7,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.08 : 12,526.84 = 5,099.64 : x
  2. Step 2: Convert to fraction form
    9,078.08/12,526.84 = 5,099.64/x
  3. Step 3: Cross multiply
    9,078.08x = 12,526.84 × 5,099.64
  4. Step 4: Simplify right side
    9,078.08x = 63,882,374.34
  5. Step 5: Solve for x
    x = 63,882,374.34/9,078.08
  6. Step 6: Final answer
    x = 7,036.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.