Home / 7,318.03-10,066.98-6,417.72

Finding the Fourth Proportional to 7,318.03, 10,066.98 and 6,417.72

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Solution

The fourth proportional to 7,318.03, 10,066.98 and 6,417.72 is: 8,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.03 : 10,066.98 = 6,417.72 : x
  2. Step 2: Convert to fraction form
    7,318.03/10,066.98 = 6,417.72/x
  3. Step 3: Cross multiply
    7,318.03x = 10,066.98 × 6,417.72
  4. Step 4: Simplify right side
    7,318.03x = 64,607,058.89
  5. Step 5: Solve for x
    x = 64,607,058.89/7,318.03
  6. Step 6: Final answer
    x = 8,828.48

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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.