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Finding the Fourth Proportional to 11,281.51, 15,569.02 and 6,502.17

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Solution

The fourth proportional to 11,281.51, 15,569.02 and 6,502.17 is: 8,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.51 : 15,569.02 = 6,502.17 : x
  2. Step 2: Convert to fraction form
    11,281.51/15,569.02 = 6,502.17/x
  3. Step 3: Cross multiply
    11,281.51x = 15,569.02 × 6,502.17
  4. Step 4: Simplify right side
    11,281.51x = 101,232,414.77
  5. Step 5: Solve for x
    x = 101,232,414.77/11,281.51
  6. Step 6: Final answer
    x = 8,973.30

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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.