Home / 10,402.96-15,612.64-4,563.60

Finding the Fourth Proportional to 10,402.96, 15,612.64 and 4,563.60

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Solution

The fourth proportional to 10,402.96, 15,612.64 and 4,563.60 is: 6,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.96 : 15,612.64 = 4,563.60 : x
  2. Step 2: Convert to fraction form
    10,402.96/15,612.64 = 4,563.60/x
  3. Step 3: Cross multiply
    10,402.96x = 15,612.64 × 4,563.60
  4. Step 4: Simplify right side
    10,402.96x = 71,249,843.90
  5. Step 5: Solve for x
    x = 71,249,843.90/10,402.96
  6. Step 6: Final answer
    x = 6,849.00

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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.