Home / 11,030.92-15,223.36-6,315.10

Finding the Fourth Proportional to 11,030.92, 15,223.36 and 6,315.10

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Solution

The fourth proportional to 11,030.92, 15,223.36 and 6,315.10 is: 8,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.92 : 15,223.36 = 6,315.10 : x
  2. Step 2: Convert to fraction form
    11,030.92/15,223.36 = 6,315.10/x
  3. Step 3: Cross multiply
    11,030.92x = 15,223.36 × 6,315.10
  4. Step 4: Simplify right side
    11,030.92x = 96,137,040.74
  5. Step 5: Solve for x
    x = 96,137,040.74/11,030.92
  6. Step 6: Final answer
    x = 8,715.23

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Double scale
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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.