Home / 9,708.60-14,555.70-4,157.40

Finding the Fourth Proportional to 9,708.60, 14,555.70 and 4,157.40

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Solution

The fourth proportional to 9,708.60, 14,555.70 and 4,157.40 is: 6,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.60 : 14,555.70 = 4,157.40 : x
  2. Step 2: Convert to fraction form
    9,708.60/14,555.70 = 4,157.40/x
  3. Step 3: Cross multiply
    9,708.60x = 14,555.70 × 4,157.40
  4. Step 4: Simplify right side
    9,708.60x = 60,513,867.18
  5. Step 5: Solve for x
    x = 60,513,867.18/9,708.60
  6. Step 6: Final answer
    x = 6,233.02

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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.