Home / 8,013.48-11,055.60-4,869.60

Finding the Fourth Proportional to 8,013.48, 11,055.60 and 4,869.60

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Solution

The fourth proportional to 8,013.48, 11,055.60 and 4,869.60 is: 6,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.48 : 11,055.60 = 4,869.60 : x
  2. Step 2: Convert to fraction form
    8,013.48/11,055.60 = 4,869.60/x
  3. Step 3: Cross multiply
    8,013.48x = 11,055.60 × 4,869.60
  4. Step 4: Simplify right side
    8,013.48x = 53,836,349.76
  5. Step 5: Solve for x
    x = 53,836,349.76/8,013.48
  6. Step 6: Final answer
    x = 6,718.22

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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.