Home / 10,346.12-14,277.62-5,630.40

Finding the Fourth Proportional to 10,346.12, 14,277.62 and 5,630.40

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Solution

The fourth proportional to 10,346.12, 14,277.62 and 5,630.40 is: 7,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.12 : 14,277.62 = 5,630.40 : x
  2. Step 2: Convert to fraction form
    10,346.12/14,277.62 = 5,630.40/x
  3. Step 3: Cross multiply
    10,346.12x = 14,277.62 × 5,630.40
  4. Step 4: Simplify right side
    10,346.12x = 80,388,683.50
  5. Step 5: Solve for x
    x = 80,388,683.50/10,346.12
  6. Step 6: Final answer
    x = 7,769.94

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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.