Home / 12,349.74-17,045.04-9,360.36

Finding the Fourth Proportional to 12,349.74, 17,045.04 and 9,360.36

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Solution

The fourth proportional to 12,349.74, 17,045.04 and 9,360.36 is: 12,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.74 : 17,045.04 = 9,360.36 : x
  2. Step 2: Convert to fraction form
    12,349.74/17,045.04 = 9,360.36/x
  3. Step 3: Cross multiply
    12,349.74x = 17,045.04 × 9,360.36
  4. Step 4: Simplify right side
    12,349.74x = 159,547,710.61
  5. Step 5: Solve for x
    x = 159,547,710.61/12,349.74
  6. Step 6: Final answer
    x = 12,919.11

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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.