Home / 8,925.57-12,317.07-5,148.74

Finding the Fourth Proportional to 8,925.57, 12,317.07 and 5,148.74

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Solution

The fourth proportional to 8,925.57, 12,317.07 and 5,148.74 is: 7,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.57 : 12,317.07 = 5,148.74 : x
  2. Step 2: Convert to fraction form
    8,925.57/12,317.07 = 5,148.74/x
  3. Step 3: Cross multiply
    8,925.57x = 12,317.07 × 5,148.74
  4. Step 4: Simplify right side
    8,925.57x = 63,417,390.99
  5. Step 5: Solve for x
    x = 63,417,390.99/8,925.57
  6. Step 6: Final answer
    x = 7,105.14

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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.