Home / 12,586.47-17,354.70-10,464.48

Finding the Fourth Proportional to 12,586.47, 17,354.70 and 10,464.48

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Solution

The fourth proportional to 12,586.47, 17,354.70 and 10,464.48 is: 14,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.47 : 17,354.70 = 10,464.48 : x
  2. Step 2: Convert to fraction form
    12,586.47/17,354.70 = 10,464.48/x
  3. Step 3: Cross multiply
    12,586.47x = 17,354.70 × 10,464.48
  4. Step 4: Simplify right side
    12,586.47x = 181,607,911.06
  5. Step 5: Solve for x
    x = 181,607,911.06/12,586.47
  6. Step 6: Final answer
    x = 14,428.82

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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.