Home / 13,117.76-19,678.02-4,798.52

Finding the Fourth Proportional to 13,117.76, 19,678.02 and 4,798.52

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Solution

The fourth proportional to 13,117.76, 19,678.02 and 4,798.52 is: 7,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.76 : 19,678.02 = 4,798.52 : x
  2. Step 2: Convert to fraction form
    13,117.76/19,678.02 = 4,798.52/x
  3. Step 3: Cross multiply
    13,117.76x = 19,678.02 × 4,798.52
  4. Step 4: Simplify right side
    13,117.76x = 94,425,256.15
  5. Step 5: Solve for x
    x = 94,425,256.15/13,117.76
  6. Step 6: Final answer
    x = 7,198.28

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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.