Home / 35,503.40-53,255.10-10,547.30

Finding the Fourth Proportional to 35,503.40, 53,255.10 and 10,547.30

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Solution

The fourth proportional to 35,503.40, 53,255.10 and 10,547.30 is: 15,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.40 : 53,255.10 = 10,547.30 : x
  2. Step 2: Convert to fraction form
    35,503.40/53,255.10 = 10,547.30/x
  3. Step 3: Cross multiply
    35,503.40x = 53,255.10 × 10,547.30
  4. Step 4: Simplify right side
    35,503.40x = 561,697,516.23
  5. Step 5: Solve for x
    x = 561,697,516.23/35,503.40
  6. Step 6: Final answer
    x = 15,820.95

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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.