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Finding the Fourth Proportional to 11,335.66, 15,646.29 and 7,356.53

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Solution

The fourth proportional to 11,335.66, 15,646.29 and 7,356.53 is: 10,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.66 : 15,646.29 = 7,356.53 : x
  2. Step 2: Convert to fraction form
    11,335.66/15,646.29 = 7,356.53/x
  3. Step 3: Cross multiply
    11,335.66x = 15,646.29 × 7,356.53
  4. Step 4: Simplify right side
    11,335.66x = 115,102,401.77
  5. Step 5: Solve for x
    x = 115,102,401.77/11,335.66
  6. Step 6: Final answer
    x = 10,154.01

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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.