Home / 12,048.08-18,041.40-7,417.04

Finding the Fourth Proportional to 12,048.08, 18,041.40 and 7,417.04

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Solution

The fourth proportional to 12,048.08, 18,041.40 and 7,417.04 is: 11,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.08 : 18,041.40 = 7,417.04 : x
  2. Step 2: Convert to fraction form
    12,048.08/18,041.40 = 7,417.04/x
  3. Step 3: Cross multiply
    12,048.08x = 18,041.40 × 7,417.04
  4. Step 4: Simplify right side
    12,048.08x = 133,813,785.46
  5. Step 5: Solve for x
    x = 133,813,785.46/12,048.08
  6. Step 6: Final answer
    x = 11,106.65

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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.