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Finding the Fourth Proportional to 8,323.84, 11,487 and 4,547.13

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Solution

The fourth proportional to 8,323.84, 11,487 and 4,547.13 is: 6,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.84 : 11,487 = 4,547.13 : x
  2. Step 2: Convert to fraction form
    8,323.84/11,487 = 4,547.13/x
  3. Step 3: Cross multiply
    8,323.84x = 11,487 × 4,547.13
  4. Step 4: Simplify right side
    8,323.84x = 52,232,882.31
  5. Step 5: Solve for x
    x = 52,232,882.31/8,323.84
  6. Step 6: Final answer
    x = 6,275.09

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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.