Home / 12,547.12-17,299.89-10,842.58

Finding the Fourth Proportional to 12,547.12, 17,299.89 and 10,842.58

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Solution

The fourth proportional to 12,547.12, 17,299.89 and 10,842.58 is: 14,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.12 : 17,299.89 = 10,842.58 : x
  2. Step 2: Convert to fraction form
    12,547.12/17,299.89 = 10,842.58/x
  3. Step 3: Cross multiply
    12,547.12x = 17,299.89 × 10,842.58
  4. Step 4: Simplify right side
    12,547.12x = 187,575,441.32
  5. Step 5: Solve for x
    x = 187,575,441.32/12,547.12
  6. Step 6: Final answer
    x = 14,949.68

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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.