Home / 9,111-12,569.58-5,752.56

Finding the Fourth Proportional to 9,111, 12,569.58 and 5,752.56

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Solution

The fourth proportional to 9,111, 12,569.58 and 5,752.56 is: 7,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111 : 12,569.58 = 5,752.56 : x
  2. Step 2: Convert to fraction form
    9,111/12,569.58 = 5,752.56/x
  3. Step 3: Cross multiply
    9,111x = 12,569.58 × 5,752.56
  4. Step 4: Simplify right side
    9,111x = 72,307,263.12
  5. Step 5: Solve for x
    x = 72,307,263.12/9,111
  6. Step 6: Final answer
    x = 7,936.26

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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.