Home / 7,752.48-10,680.60-5,360.16

Finding the Fourth Proportional to 7,752.48, 10,680.60 and 5,360.16

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Solution

The fourth proportional to 7,752.48, 10,680.60 and 5,360.16 is: 7,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.48 : 10,680.60 = 5,360.16 : x
  2. Step 2: Convert to fraction form
    7,752.48/10,680.60 = 5,360.16/x
  3. Step 3: Cross multiply
    7,752.48x = 10,680.60 × 5,360.16
  4. Step 4: Simplify right side
    7,752.48x = 57,249,724.90
  5. Step 5: Solve for x
    x = 57,249,724.90/7,752.48
  6. Step 6: Final answer
    x = 7,384.70

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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.