Home / 13,078.77-19,612.02-4,752.98

Finding the Fourth Proportional to 13,078.77, 19,612.02 and 4,752.98

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Solution

The fourth proportional to 13,078.77, 19,612.02 and 4,752.98 is: 7,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.77 : 19,612.02 = 4,752.98 : x
  2. Step 2: Convert to fraction form
    13,078.77/19,612.02 = 4,752.98/x
  3. Step 3: Cross multiply
    13,078.77x = 19,612.02 × 4,752.98
  4. Step 4: Simplify right side
    13,078.77x = 93,215,532.13
  5. Step 5: Solve for x
    x = 93,215,532.13/13,078.77
  6. Step 6: Final answer
    x = 7,127.24

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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.