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Finding the Fourth Proportional to 7,292.61, 10,916.28 and 5,894.28

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Solution

The fourth proportional to 7,292.61, 10,916.28 and 5,894.28 is: 8,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.61 : 10,916.28 = 5,894.28 : x
  2. Step 2: Convert to fraction form
    7,292.61/10,916.28 = 5,894.28/x
  3. Step 3: Cross multiply
    7,292.61x = 10,916.28 × 5,894.28
  4. Step 4: Simplify right side
    7,292.61x = 64,343,610.88
  5. Step 5: Solve for x
    x = 64,343,610.88/7,292.61
  6. Step 6: Final answer
    x = 8,823.13

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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.