Home / 12,444.02-17,173.14-7,140.50

Finding the Fourth Proportional to 12,444.02, 17,173.14 and 7,140.50

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Solution

The fourth proportional to 12,444.02, 17,173.14 and 7,140.50 is: 9,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.02 : 17,173.14 = 7,140.50 : x
  2. Step 2: Convert to fraction form
    12,444.02/17,173.14 = 7,140.50/x
  3. Step 3: Cross multiply
    12,444.02x = 17,173.14 × 7,140.50
  4. Step 4: Simplify right side
    12,444.02x = 122,624,806.17
  5. Step 5: Solve for x
    x = 122,624,806.17/12,444.02
  6. Step 6: Final answer
    x = 9,854.12

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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.