Home / 6,270.08-9,405.12-4,316.40

Finding the Fourth Proportional to 6,270.08, 9,405.12 and 4,316.40

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Solution

The fourth proportional to 6,270.08, 9,405.12 and 4,316.40 is: 6,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.08 : 9,405.12 = 4,316.40 : x
  2. Step 2: Convert to fraction form
    6,270.08/9,405.12 = 4,316.40/x
  3. Step 3: Cross multiply
    6,270.08x = 9,405.12 × 4,316.40
  4. Step 4: Simplify right side
    6,270.08x = 40,596,259.97
  5. Step 5: Solve for x
    x = 40,596,259.97/6,270.08
  6. Step 6: Final answer
    x = 6,474.60

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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.