Home / 12,038.40-16,606.28-7,002.04

Finding the Fourth Proportional to 12,038.40, 16,606.28 and 7,002.04

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Solution

The fourth proportional to 12,038.40, 16,606.28 and 7,002.04 is: 9,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.40 : 16,606.28 = 7,002.04 : x
  2. Step 2: Convert to fraction form
    12,038.40/16,606.28 = 7,002.04/x
  3. Step 3: Cross multiply
    12,038.40x = 16,606.28 × 7,002.04
  4. Step 4: Simplify right side
    12,038.40x = 116,277,836.81
  5. Step 5: Solve for x
    x = 116,277,836.81/12,038.40
  6. Step 6: Final answer
    x = 9,658.91

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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.