Home / 7,407.76-10,222.81-5,018.46

Finding the Fourth Proportional to 7,407.76, 10,222.81 and 5,018.46

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Solution

The fourth proportional to 7,407.76, 10,222.81 and 5,018.46 is: 6,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.76 : 10,222.81 = 5,018.46 : x
  2. Step 2: Convert to fraction form
    7,407.76/10,222.81 = 5,018.46/x
  3. Step 3: Cross multiply
    7,407.76x = 10,222.81 × 5,018.46
  4. Step 4: Simplify right side
    7,407.76x = 51,302,763.07
  5. Step 5: Solve for x
    x = 51,302,763.07/7,407.76
  6. Step 6: Final answer
    x = 6,925.55

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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.