Home / 8,884.47-12,256.70-5,106.77

Finding the Fourth Proportional to 8,884.47, 12,256.70 and 5,106.77

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Solution

The fourth proportional to 8,884.47, 12,256.70 and 5,106.77 is: 7,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.47 : 12,256.70 = 5,106.77 : x
  2. Step 2: Convert to fraction form
    8,884.47/12,256.70 = 5,106.77/x
  3. Step 3: Cross multiply
    8,884.47x = 12,256.70 × 5,106.77
  4. Step 4: Simplify right side
    8,884.47x = 62,592,061.04
  5. Step 5: Solve for x
    x = 62,592,061.04/8,884.47
  6. Step 6: Final answer
    x = 7,045.11

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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.