Home / 10,467.02-14,423.01-9,728.70

Finding the Fourth Proportional to 10,467.02, 14,423.01 and 9,728.70

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Solution

The fourth proportional to 10,467.02, 14,423.01 and 9,728.70 is: 13,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.02 : 14,423.01 = 9,728.70 : x
  2. Step 2: Convert to fraction form
    10,467.02/14,423.01 = 9,728.70/x
  3. Step 3: Cross multiply
    10,467.02x = 14,423.01 × 9,728.70
  4. Step 4: Simplify right side
    10,467.02x = 140,317,137.39
  5. Step 5: Solve for x
    x = 140,317,137.39/10,467.02
  6. Step 6: Final answer
    x = 13,405.65

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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.