Home / 10,457.41-14,431.28-5,981.35

Finding the Fourth Proportional to 10,457.41, 14,431.28 and 5,981.35

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Solution

The fourth proportional to 10,457.41, 14,431.28 and 5,981.35 is: 8,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.41 : 14,431.28 = 5,981.35 : x
  2. Step 2: Convert to fraction form
    10,457.41/14,431.28 = 5,981.35/x
  3. Step 3: Cross multiply
    10,457.41x = 14,431.28 × 5,981.35
  4. Step 4: Simplify right side
    10,457.41x = 86,318,536.63
  5. Step 5: Solve for x
    x = 86,318,536.63/10,457.41
  6. Step 6: Final answer
    x = 8,254.29

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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.