Home / 7,515.16-10,373.32-5,277.58

Finding the Fourth Proportional to 7,515.16, 10,373.32 and 5,277.58

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Solution

The fourth proportional to 7,515.16, 10,373.32 and 5,277.58 is: 7,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.16 : 10,373.32 = 5,277.58 : x
  2. Step 2: Convert to fraction form
    7,515.16/10,373.32 = 5,277.58/x
  3. Step 3: Cross multiply
    7,515.16x = 10,373.32 × 5,277.58
  4. Step 4: Simplify right side
    7,515.16x = 54,746,026.17
  5. Step 5: Solve for x
    x = 54,746,026.17/7,515.16
  6. Step 6: Final answer
    x = 7,284.75

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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.