Home / 10,440.10-15,665.64-4,600.72

Finding the Fourth Proportional to 10,440.10, 15,665.64 and 4,600.72

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Solution

The fourth proportional to 10,440.10, 15,665.64 and 4,600.72 is: 6,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.10 : 15,665.64 = 4,600.72 : x
  2. Step 2: Convert to fraction form
    10,440.10/15,665.64 = 4,600.72/x
  3. Step 3: Cross multiply
    10,440.10x = 15,665.64 × 4,600.72
  4. Step 4: Simplify right side
    10,440.10x = 72,073,223.26
  5. Step 5: Solve for x
    x = 72,073,223.26/10,440.10
  6. Step 6: Final answer
    x = 6,903.50

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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.