Home / 9,130.16-12,599.68-5,352.48

Finding the Fourth Proportional to 9,130.16, 12,599.68 and 5,352.48

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Solution

The fourth proportional to 9,130.16, 12,599.68 and 5,352.48 is: 7,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.16 : 12,599.68 = 5,352.48 : x
  2. Step 2: Convert to fraction form
    9,130.16/12,599.68 = 5,352.48/x
  3. Step 3: Cross multiply
    9,130.16x = 12,599.68 × 5,352.48
  4. Step 4: Simplify right side
    9,130.16x = 67,439,535.21
  5. Step 5: Solve for x
    x = 67,439,535.21/9,130.16
  6. Step 6: Final answer
    x = 7,386.46

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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.