Home / 35,440.48-53,160.95-9,145.45

Finding the Fourth Proportional to 35,440.48, 53,160.95 and 9,145.45

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Solution

The fourth proportional to 35,440.48, 53,160.95 and 9,145.45 is: 13,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.48 : 53,160.95 = 9,145.45 : x
  2. Step 2: Convert to fraction form
    35,440.48/53,160.95 = 9,145.45/x
  3. Step 3: Cross multiply
    35,440.48x = 53,160.95 × 9,145.45
  4. Step 4: Simplify right side
    35,440.48x = 486,180,810.18
  5. Step 5: Solve for x
    x = 486,180,810.18/35,440.48
  6. Step 6: Final answer
    x = 13,718.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.