Home / 13,130.68-19,698.95-4,810.52

Finding the Fourth Proportional to 13,130.68, 19,698.95 and 4,810.52

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Solution

The fourth proportional to 13,130.68, 19,698.95 and 4,810.52 is: 7,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.68 : 19,698.95 = 4,810.52 : x
  2. Step 2: Convert to fraction form
    13,130.68/19,698.95 = 4,810.52/x
  3. Step 3: Cross multiply
    13,130.68x = 19,698.95 × 4,810.52
  4. Step 4: Simplify right side
    13,130.68x = 94,762,192.95
  5. Step 5: Solve for x
    x = 94,762,192.95/13,130.68
  6. Step 6: Final answer
    x = 7,216.85

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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.