Home / 10,457.28-14,430.54-5,677.11

Finding the Fourth Proportional to 10,457.28, 14,430.54 and 5,677.11

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Solution

The fourth proportional to 10,457.28, 14,430.54 and 5,677.11 is: 7,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.28 : 14,430.54 = 5,677.11 : x
  2. Step 2: Convert to fraction form
    10,457.28/14,430.54 = 5,677.11/x
  3. Step 3: Cross multiply
    10,457.28x = 14,430.54 × 5,677.11
  4. Step 4: Simplify right side
    10,457.28x = 81,923,784.23
  5. Step 5: Solve for x
    x = 81,923,784.23/10,457.28
  6. Step 6: Final answer
    x = 7,834.14

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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.