Home / 12,045.04-16,621.14-7,008.28

Finding the Fourth Proportional to 12,045.04, 16,621.14 and 7,008.28

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Solution

The fourth proportional to 12,045.04, 16,621.14 and 7,008.28 is: 9,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.04 : 16,621.14 = 7,008.28 : x
  2. Step 2: Convert to fraction form
    12,045.04/16,621.14 = 7,008.28/x
  3. Step 3: Cross multiply
    12,045.04x = 16,621.14 × 7,008.28
  4. Step 4: Simplify right side
    12,045.04x = 116,485,603.04
  5. Step 5: Solve for x
    x = 116,485,603.04/12,045.04
  6. Step 6: Final answer
    x = 9,670.84

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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.