Home / 10,457.39-14,431.12-6,210.54

Finding the Fourth Proportional to 10,457.39, 14,431.12 and 6,210.54

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Solution

The fourth proportional to 10,457.39, 14,431.12 and 6,210.54 is: 8,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.39 : 14,431.12 = 6,210.54 : x
  2. Step 2: Convert to fraction form
    10,457.39/14,431.12 = 6,210.54/x
  3. Step 3: Cross multiply
    10,457.39x = 14,431.12 × 6,210.54
  4. Step 4: Simplify right side
    10,457.39x = 89,625,032.48
  5. Step 5: Solve for x
    x = 89,625,032.48/10,457.39
  6. Step 6: Final answer
    x = 8,570.50

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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.