Home / 9,316.55-13,975.23-4,638.80

Finding the Fourth Proportional to 9,316.55, 13,975.23 and 4,638.80

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Solution

The fourth proportional to 9,316.55, 13,975.23 and 4,638.80 is: 6,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.55 : 13,975.23 = 4,638.80 : x
  2. Step 2: Convert to fraction form
    9,316.55/13,975.23 = 4,638.80/x
  3. Step 3: Cross multiply
    9,316.55x = 13,975.23 × 4,638.80
  4. Step 4: Simplify right side
    9,316.55x = 64,828,296.92
  5. Step 5: Solve for x
    x = 64,828,296.92/9,316.55
  6. Step 6: Final answer
    x = 6,958.40

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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.