Home / 9,210.03-12,709.84-5,018.28

Finding the Fourth Proportional to 9,210.03, 12,709.84 and 5,018.28

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Solution

The fourth proportional to 9,210.03, 12,709.84 and 5,018.28 is: 6,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.03 : 12,709.84 = 5,018.28 : x
  2. Step 2: Convert to fraction form
    9,210.03/12,709.84 = 5,018.28/x
  3. Step 3: Cross multiply
    9,210.03x = 12,709.84 × 5,018.28
  4. Step 4: Simplify right side
    9,210.03x = 63,781,580.20
  5. Step 5: Solve for x
    x = 63,781,580.20/9,210.03
  6. Step 6: Final answer
    x = 6,925.23

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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.