Home / 10,110.04-13,965.47-9,166.89

Finding the Fourth Proportional to 10,110.04, 13,965.47 and 9,166.89

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Solution

The fourth proportional to 10,110.04, 13,965.47 and 9,166.89 is: 12,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.04 : 13,965.47 = 9,166.89 : x
  2. Step 2: Convert to fraction form
    10,110.04/13,965.47 = 9,166.89/x
  3. Step 3: Cross multiply
    10,110.04x = 13,965.47 × 9,166.89
  4. Step 4: Simplify right side
    10,110.04x = 128,019,927.29
  5. Step 5: Solve for x
    x = 128,019,927.29/10,110.04
  6. Step 6: Final answer
    x = 12,662.65

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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.