Home / 10,364.60-15,543.64-4,515.32

Finding the Fourth Proportional to 10,364.60, 15,543.64 and 4,515.32

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Solution

The fourth proportional to 10,364.60, 15,543.64 and 4,515.32 is: 6,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.60 : 15,543.64 = 4,515.32 : x
  2. Step 2: Convert to fraction form
    10,364.60/15,543.64 = 4,515.32/x
  3. Step 3: Cross multiply
    10,364.60x = 15,543.64 × 4,515.32
  4. Step 4: Simplify right side
    10,364.60x = 70,184,508.56
  5. Step 5: Solve for x
    x = 70,184,508.56/10,364.60
  6. Step 6: Final answer
    x = 6,771.56

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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.