Home / 11,347.19-15,648.13-7,570.51

Finding the Fourth Proportional to 11,347.19, 15,648.13 and 7,570.51

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Solution

The fourth proportional to 11,347.19, 15,648.13 and 7,570.51 is: 10,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.19 : 15,648.13 = 7,570.51 : x
  2. Step 2: Convert to fraction form
    11,347.19/15,648.13 = 7,570.51/x
  3. Step 3: Cross multiply
    11,347.19x = 15,648.13 × 7,570.51
  4. Step 4: Simplify right side
    11,347.19x = 118,464,353.67
  5. Step 5: Solve for x
    x = 118,464,353.67/11,347.19
  6. Step 6: Final answer
    x = 10,439.97

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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.