Home / 11,340.19-15,652.34-7,564.51

Finding the Fourth Proportional to 11,340.19, 15,652.34 and 7,564.51

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Solution

The fourth proportional to 11,340.19, 15,652.34 and 7,564.51 is: 10,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.19 : 15,652.34 = 7,564.51 : x
  2. Step 2: Convert to fraction form
    11,340.19/15,652.34 = 7,564.51/x
  3. Step 3: Cross multiply
    11,340.19x = 15,652.34 × 7,564.51
  4. Step 4: Simplify right side
    11,340.19x = 118,402,282.45
  5. Step 5: Solve for x
    x = 118,402,282.45/11,340.19
  6. Step 6: Final answer
    x = 10,440.94

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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.