Home / 10,265.14-14,165.96-6,490.01

Finding the Fourth Proportional to 10,265.14, 14,165.96 and 6,490.01

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Solution

The fourth proportional to 10,265.14, 14,165.96 and 6,490.01 is: 8,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.14 : 14,165.96 = 6,490.01 : x
  2. Step 2: Convert to fraction form
    10,265.14/14,165.96 = 6,490.01/x
  3. Step 3: Cross multiply
    10,265.14x = 14,165.96 × 6,490.01
  4. Step 4: Simplify right side
    10,265.14x = 91,937,118.78
  5. Step 5: Solve for x
    x = 91,937,118.78/10,265.14
  6. Step 6: Final answer
    x = 8,956.25

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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.