Home / 10,366.40-14,333.28-9,054.20

Finding the Fourth Proportional to 10,366.40, 14,333.28 and 9,054.20

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Solution

The fourth proportional to 10,366.40, 14,333.28 and 9,054.20 is: 12,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.40 : 14,333.28 = 9,054.20 : x
  2. Step 2: Convert to fraction form
    10,366.40/14,333.28 = 9,054.20/x
  3. Step 3: Cross multiply
    10,366.40x = 14,333.28 × 9,054.20
  4. Step 4: Simplify right side
    10,366.40x = 129,776,383.78
  5. Step 5: Solve for x
    x = 129,776,383.78/10,366.40
  6. Step 6: Final answer
    x = 12,518.94

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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.