Home / 10,626.77-14,657.68-7,171.99

Finding the Fourth Proportional to 10,626.77, 14,657.68 and 7,171.99

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Solution

The fourth proportional to 10,626.77, 14,657.68 and 7,171.99 is: 9,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.77 : 14,657.68 = 7,171.99 : x
  2. Step 2: Convert to fraction form
    10,626.77/14,657.68 = 7,171.99/x
  3. Step 3: Cross multiply
    10,626.77x = 14,657.68 × 7,171.99
  4. Step 4: Simplify right side
    10,626.77x = 105,124,809.32
  5. Step 5: Solve for x
    x = 105,124,809.32/10,626.77
  6. Step 6: Final answer
    x = 9,892.45

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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.