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Finding the Fourth Proportional to 11,393.40, 17,079.06 and 4,368.04

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Solution

The fourth proportional to 11,393.40, 17,079.06 and 4,368.04 is: 6,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.40 : 17,079.06 = 4,368.04 : x
  2. Step 2: Convert to fraction form
    11,393.40/17,079.06 = 4,368.04/x
  3. Step 3: Cross multiply
    11,393.40x = 17,079.06 × 4,368.04
  4. Step 4: Simplify right side
    11,393.40x = 74,602,017.24
  5. Step 5: Solve for x
    x = 74,602,017.24/11,393.40
  6. Step 6: Final answer
    x = 6,547.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.