Home / 7,911.36-10,916.04-4,554.24

Finding the Fourth Proportional to 7,911.36, 10,916.04 and 4,554.24

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Solution

The fourth proportional to 7,911.36, 10,916.04 and 4,554.24 is: 6,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.36 : 10,916.04 = 4,554.24 : x
  2. Step 2: Convert to fraction form
    7,911.36/10,916.04 = 4,554.24/x
  3. Step 3: Cross multiply
    7,911.36x = 10,916.04 × 4,554.24
  4. Step 4: Simplify right side
    7,911.36x = 49,714,266.01
  5. Step 5: Solve for x
    x = 49,714,266.01/7,911.36
  6. Step 6: Final answer
    x = 6,283.91

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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.