Home / 10,424.10-14,391.99-9,303.12

Finding the Fourth Proportional to 10,424.10, 14,391.99 and 9,303.12

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Solution

The fourth proportional to 10,424.10, 14,391.99 and 9,303.12 is: 12,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.10 : 14,391.99 = 9,303.12 : x
  2. Step 2: Convert to fraction form
    10,424.10/14,391.99 = 9,303.12/x
  3. Step 3: Cross multiply
    10,424.10x = 14,391.99 × 9,303.12
  4. Step 4: Simplify right side
    10,424.10x = 133,890,410.01
  5. Step 5: Solve for x
    x = 133,890,410.01/10,424.10
  6. Step 6: Final answer
    x = 12,844.31

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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.